SDC crash: org.hl7.fhir.exceptions.FHIRException: Type mismatch

[jingtang10]

Describe the bug

org.hl7.fhir.exceptions.FHIRException: Type mismatch: the type IntegerType was expected, but org.hl7.fhir.r4.model.Coding was encountered

Component
SDC library

To Reproduce
Use this questionnaire:

                    {
                      "resourceType": "Questionnaire",
                      "id": "registration.ideal.q",
                      "title": "Registration Ideal Questionnaire",
                      "status": "draft",
                      "item": [
                        {
                          "extension": [
                            {
                              "url": "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
                              "valueCodeableConcept": {
                                "coding": [
                                  {
                                    "system": "http://hl7.org/fhir/questionnaire-item-control",
                                    "code": "drop-down"
                                  }
                                ]
                              }
                            }
                          ],
                          "linkId": "089df4c1-6aa7-4d89-8098-b94ef9e573ce",
                          "text": "Provide An Estimated Age Or Estimated Date Of Birth",
                          "type": "choice",
                          "required": false,
                          "answerOption": [
                            {
                              "valueCoding": {
                                "id": "09c64bf3-0858-43fe-b8a7-4bf8fd308ebf",
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-age",
                                "display": "Estimated Age"
                              }
                            },
                            {
                              "valueCoding": {
                                "id": "20f8138c-03c9-4319-94f1-9d20070823f5",
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-weeks",
                                "display": "Estimated Weeks"
                              }
                            },
                            {
                              "valueCoding": {
                                "id": "b3b80370-4e3a-454d-96c6-57016245fdbf",
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-dob",
                                "display": "Estimated DOB"
                              }
                            }
                          ]
                        },
                        {
                          "linkId": "c717e9d5-830c-44f9-ec10-4e41529e8b2a",
                          "text": "Estimated Age",
                          "type": "integer",
                          "enableWhen": [
                            {
                              "question": "089df4c1-6aa7-4d89-8098-b94ef9e573ce",
                              "operator": "=",
                              "answerCoding": {
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-age"
                              }
                            }
                          ],
                          "enableBehavior": "all",
                          "required": false
                        },
                        {
                          "linkId": "f75368ac-d5ef-44ef-db67-f33e256a893f",
                          "text": "Estimated Weeks",
                          "type": "integer",
                          "enableWhen": [
                            {
                              "question": "089df4c1-6aa7-4d89-8098-b94ef9e573ce",
                              "operator": "=",
                              "answerCoding": {
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-weeks"
                              }
                            }
                          ],
                          "enableBehavior": "all",
                          "required": false
                        },
                        {
                          "linkId": "ec499555-f62d-4e3b-f682-dea68e09999f",
                          "text": "Estimated Date Of Birth",
                          "type": "date",
                          "enableWhen": [
                            {
                              "question": "089df4c1-6aa7-4d89-8098-b94ef9e573ce",
                              "operator": "=",
                              "answerCoding": {
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-dob"
                              }
                            }
                          ],
                          "enableBehavior": "all"
                        },
                        {
                          "linkId": "00b267bb-6d8a-41da-e1ff-921fa276b88b",
                          "text": "Sex",
                          "type": "choice",
                          "required": false,
                          "answerOption": [
                            {
                              "valueCoding": {
                                "id": "5dd9310f-a1fd-4640-8e9c-3adaf9d43489",
                                "system": "urn:uuid:6f48566a-4fdc-44a4-8893-0dd818911797",
                                "code": "female",
                                "display": "Female"
                              }
                            },
                            {
                              "valueCoding": {
                                "id": "58934e68-c4b5-4349-914a-c3b8a0c9d286",
                                "system": "urn:uuid:6f48566a-4fdc-44a4-8893-0dd818911797",
                                "code": "male",
                                "display": "Male"
                              }
                            },
                            {
                              "valueCoding": {
                                "id": "0827b1ba-5728-49a7-fc3e-59c1c4684175",
                                "system": "urn:uuid:6f48566a-4fdc-44a4-8893-0dd818911797",
                                "code": "not-specified",
                                "display": "Not Specified"
                              }
                            }
                          ]
                        }
                      ]
                    }

and this response:

                    {
                      "resourceType": "QuestionnaireResponse",
                      "item": [
                        {
                          "linkId": "089df4c1-6aa7-4d89-8098-b94ef9e573ce",
                          "text": "Provide An Estimated Age Or Estimated Date Of Birth",
                          "answer": [
                            {
                              "valueCoding": {
                                "id": "09c64bf3-0858-43fe-b8a7-4bf8fd308ebf",
                                "system": "urn:uuid:728a3a4c-93b7-4c98-8f57-227c6cb60d07",
                                "code": "estimated-age",
                                "display": "Estimated Age"
                              }
                            }
                          ]
                        },
                        {
                          "linkId": "c717e9d5-830c-44f9-ec10-4e41529e8b2a",
                          "text": "Estimated Age",
                          "answer": [
                            {
                              "valueInteger": 1
                            }
                          ]
                        },
                        {
                          "linkId": "00b267bb-6d8a-41da-e1ff-921fa276b88b",
                          "text": "Sex",
                          "answer": [
                            {
                              "valueCoding": {
                                "id": "5dd9310f-a1fd-4640-8e9c-3adaf9d43489",
                                "system": "urn:uuid:6f48566a-4fdc-44a4-8893-0dd818911797",
                                "code": "female",
                                "display": "Female"
                              }
                            }
                          ]
                        }
                      ]
                    }

And then change the answer of the first question

Expected behavior
No crash

Screenshots
If applicable, add screenshots to help explain your problem.

Smartphone (please complete the following information):

• Device: Pixel 6
• Android version: Any
• Build number: Any
• Version Any

Additional context
This is caused by an issue in the logic to copy answers from questionnaire response provided to the questionnaire fragment

Would you like to work on the issue?
Yes

[jingtang10]

This issue was originally raised by Parth Panchal from Argusoft.