How To Fix RSM817 - 'Space' and 00H not allowed as escape entry

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 817

• Message text: 'Space' and 00H not allowed as escape entry

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 RSM817 - 'Space' and 00H not allowed as escape entry ?

  The SAP error message RSM817, which states "'Space' and 00H not allowed as escape entry," typically occurs in the context of data entry or processing where invalid characters are being used. This error is often related to the use of escape sequences or special characters in fields that do not accept them.
  Cause:
  
  Invalid Characters: The error is triggered when a user attempts to enter a space (' ') or a null character (00H) in a field that does not permit these characters. This can happen in various scenarios, such as when defining escape sequences in certain SAP transactions or when inputting data in specific fields.
  Data Validation: The system has built-in validation rules that prevent the use of certain characters to maintain data integrity and ensure that the data can be processed correctly.
  
  Solution:
  
  Check Input Fields: Review the fields where the error occurs and ensure that you are not entering spaces or null characters. Remove any leading or trailing spaces from your input.
  Use Valid Characters: Ensure that you are using only valid characters as specified by the field requirements. Refer to the documentation or field help to understand what characters are allowed.
  Data Entry Review: If you are copying and pasting data from another source, ensure that no hidden characters (like spaces or nulls) are included in the pasted data.
  Debugging: If you are a developer or have access to debugging tools, you can trace the program or transaction to identify where the invalid input is being processed and correct it accordingly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently updates its knowledge base with solutions and workarounds for common issues.
  Transaction Codes: The error may occur in various transaction codes, so understanding the context in which it appears can help in troubleshooting.
  User Documentation: Refer to user manuals or training materials for the specific SAP module you are working with to understand the input requirements better.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.