How To Fix EDEREG_INV550 - Internal error: Import parameters of function module &1 not correct

EDEREG_INV550 - Overview

• Message type: E = Error

• Message class: EDEREG_INV - Error Messages for Payment Management in a Deregulated Env.

• Message number: 550

• Message text: Internal error: Import parameters of function module &1 not correct

Self-Explanatory Message

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EDEREG_INV550 - Details

• The SAP error message EDEREG_INV550 indicates that there is an internal error related to the import parameters of a function module. This error typically arises when the parameters being passed to a function module do not match the expected format or type defined in the function module's interface.
  Causes:
  
  Incorrect Parameter Types: The data types of the parameters being passed do not match the expected types defined in the function module.
  Missing Parameters: Required parameters are not being passed to the function module.
  Excess Parameters: Extra parameters that are not defined in the function module are being passed.
  Data Structure Issues: If a complex data structure (like a table or a structure) is being passed, it may not be correctly defined or populated.
  Version Mismatch: The function module may have been changed or updated, and the calling program has not been updated accordingly.
  
  Solutions:
  
  Check Function Module Interface: Review the function module's interface in transaction SE37 or SE80