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Question

validation: Process variable has incorrect datatype

  • August 21, 2026
  • 2 replies
  • 11 views

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During my validations I got:

Process variable has incorrect datatype

Output returned by the process action may not be converted correctly into the process variable.

Change the datatype of the process variable to the correct datatype or use a different process variable as output parameter. An overview of all supported process actions and their datatypes can be found in the documentation.

 

The problem is that it is about the variables that are used as output for the FTP connector (non-file storage). And apperently those expect a certain datatype but I cannot figure out in de docs what datatypes these output parameters expect.

Or I’m completely wrong in my assumption that that is what this validation tries to tell me….

2 replies

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Hi Alban_T,

Can you tell us what output parameters you used - and with what data types?
Then we can take a look if those are correct.

Regards,

Dick van den Brink


Looking at the variables I would suspect file data being the culprit? Do you have a variable with data type varbinary set for this output?