vdk-dag: improve error handling and error messages #3152
Merged
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To make it easier to debug VDK DAG jobs some improvements in error handling are done.
Testing Done: existing tests for regression.
Here is a comparison before and now in the formatting: https://gist.githubusercontent.com/antoniivanov/8f87cdef1c610fcd24361197bcba45dc/raw/c31b990de2c0b1f49ac5989419cfc6ab12aac934/gistfile1.txt