How To Fix PS011 - Incorrect call of function module

PS011 - Overview

• Message type: E = Error

• Message class: PS - SAP Electronic Parcel Service

• Message number: 011

• Message text: Incorrect call of function module

What causes this issue?

Information on which files you want to transmit is passed to function
modules EPS_FTP_MGET and EPS_FTP_MPUT either from parameter FILE_MASK
or from table FILE_LIST. You specified both.

System Response

The function was terminated.

How to fix this error?

Either use parameter FILE_MASK to select the required files or pass the
file names in table FILE_LIST. If you use FILE_MASK, table FILE_LIST
must be empty.

Error message extract from SAP system. Copyright SAP SE.

PS011 - Details

• The SAP error message PS011, which states "Incorrect call of function module," typically occurs when there is an issue with the way a function module is being called in an ABAP program. This can happen for several reasons, including incorrect parameters, calling a function module in an inappropriate context, or issues with the function module itself.
  Causes of PS011 Error
  
  
  Incorrect Parameters: The function module may be called with incorrect or missing parameters. Each function module has a specific interface that must be adhered to.
  
  
  Context Issues: The function module may be called in a context where it is not allowed. For example, some function modules can only be called in certain transaction types or program states.
  
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function module.
  
  
  Function Module Not Active: The function module may not be active or may have been deactivated in the system.
  
  
  Incorrect Usage: The function module