[BUG] Equal 1.0 - Usage numeric/real:4

[alexandraYesbabylon]

Describe the bug
The usage was set with 4 decimals, but this format is not supported in Equal 1.0. The field is created with 2 decimals in the data base.

Class

 {
     "coefficient": {
         "type": "float",
         "usage": "numeric/real:4",
     }
 } 

Data Base