How To Fix MDC_PROCESS_MSG066 - Process filter of process &1 contains invalid character '\'

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_PROCESS_MSG - MDC Process Object Messages

• Message number: 066

• Message text: Process filter of process &1 contains invalid character '\'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_PROCESS_MSG066 - Process filter of process &1 contains invalid character '\' ?

  The SAP error message MDC_PROCESS_MSG066 indicates that there is an issue with the process filter in a process chain or a similar configuration where an invalid character (in this case, the backslash \) has been used. This error typically arises in the context of SAP's Data Warehousing or Process Chain management.
  Cause:
  The error is caused by the presence of an invalid character in the process filter definition. In SAP, certain characters are not allowed in process filters, and the backslash \ is one of them. This can happen if:
  
  The filter was manually entered and included a typo.
  The filter was copied from another source that included invalid characters.
  There was an error in the configuration or data entry process.
  
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Identify the Process Chain: Determine which process chain or process is generating the error. This can usually be found in the error log or the transaction where the error occurred.
  
  
  Check the Process Filter: 
  
  Go to the relevant process chain or process definition in the SAP GUI.
  Look for the process filter settings associated with the process that is causing the error.
  
  
  
  Remove Invalid Characters: 
  
  Edit the process filter to remove the backslash \ and any other invalid characters.
  Ensure that the filter only contains valid characters as per SAP's guidelines.
  
  
  
  Validate the Changes: After making the changes, validate the process chain or process to ensure that there are no further errors.
  
  
  Test the Process: Run the process chain again to confirm that the error has been resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on valid characters in process filters and other configuration settings.
  Transaction Codes: You may use transaction codes like RSPC (Process Chain Maintenance) to access and modify process chains.
  Error Logs: Check the error logs for additional context or related errors that may help in troubleshooting.
  SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or technical support team for further assistance.