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Dear expert developers,   For an application I was trying to make it possible again to import an excel that the end user receives from another department and another colleague. The first things I did, was expanding the allowed values that are the result of some other Java actions: JA_ReturnMagicBytes and GetFileType. This part goes well.         However, when the logic is further in the process, I get this error message of which I don't know how to solve:      While everything the Java action needs, seems to be there:     Is anyone familiar with this error and does anyone know how this might be solved?   Thanks in advance for wanting to look into this

asked 2025-07-01

1 answers