How To Fix /PF1/MSG_COMM_POLLER021 - Please enter valid number in Maximum Processes field

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_COMM_POLLER -

• Message number: 021

• Message text: Please enter valid number in Maximum Processes field

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_COMM_POLLER021 - Please enter valid number in Maximum Processes field ?

  The SAP error message /PF1/MSG_COMM_POLLER021 indicates that there is an issue with the "Maximum Processes" field in a configuration setting, likely related to the communication poller settings in the SAP system. This error typically arises when the value entered in the "Maximum Processes" field is not a valid number or is outside the acceptable range.
  Cause:
  
  Invalid Input: The value entered in the "Maximum Processes" field is not a numeric value (e.g., it could be a string or special character).
  Out of Range: The number entered may be outside the acceptable range defined by the system (e.g., negative numbers or excessively high values).
  Field Format: The field may have specific formatting requirements that are not being met.
  
  Solution:
  
  Check Input: Ensure that the value entered in the "Maximum Processes" field is a valid integer. It should be a whole number without any decimal points or special characters.
  Valid Range: Verify the acceptable range for the "Maximum Processes" field. Typically, this should be a positive integer. Consult the SAP documentation or system settings to determine the valid range.
  Field Configuration: If the field has specific formatting requirements, ensure that the input adheres to those requirements.
  Reset to Default: If unsure about the correct value, consider resetting the field to a default value that is known to work (e.g., 1 or 2) and then gradually increase it as needed.
  Consult Documentation: Refer to the relevant SAP documentation or help resources for guidance on configuring the communication poller settings.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: You may need to use specific transaction codes (like SM37 for job monitoring or SM21 for system logs) to investigate further.
  System Logs: Review system logs for additional context or related error messages that may provide more insight into the issue.
  Support: If the problem persists, consider reaching out to SAP support or your internal SAP administrator for assistance.
  
  By following these steps, you should be able to resolve the error and successfully enter a valid number in the "Maximum Processes" field.