How To Fix W_CB255 - &1 is not a valid value for the access type

SAP Error Message - Details

• Message type: E = Error

• Message class: W_CB -

• Message number: 255

• Message text: &1 is not a valid value for the access type

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 W_CB255 - &1 is not a valid value for the access type ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W_CB255 &1 is not a valid value for the access type
  
  Cause:
  This warning message occurs when an invalid or unsupported value is entered or passed for the access type parameter in a function module, report, or transaction. The access type typically refers to the mode or method of accessing data or objects in SAP, such as read, write, display, or other specific access modes.
  The placeholder &1 in the message will be replaced by the actual invalid value that was provided.
  Common scenarios include:
  
  Passing an incorrect or misspelled access type code.
  Using a value that is not defined in the allowed domain or data element for access types.
  Custom code or user input providing an invalid access type.
  Integration or interface programs passing wrong parameters.
  
  
  Solution:
  
  
  Check the value passed for the access type:
  
  Identify where the access type value is coming from (user input, program parameter, interface).
  Verify that the value matches one of the valid access types defined in SAP for that context.
  
  
  
  Refer to SAP documentation or domain values:
  
  Look up the domain or data element associated with the access type field to find valid values.
  For example, access types might be defined in a domain like CB_ACCESS or similar.
  
  
  
  Correct the input or code:
  
  If the value is hardcoded or passed from custom code, correct it to a valid value.
  If user input is involved, add validation to restrict input to valid values.
  
  
  
  Debugging:
  
  Use the debugger to trace where the invalid value is set.
  Check the call stack and parameters passed to the function or transaction.
  
  
  
  Consult SAP Notes or documentation:
  
  Sometimes, specific SAP modules or versions have particular valid access types.
  Search SAP Support Portal for notes related to message W_CB255.
  
  
  
  
  Related Information:
  
  Message Class: CB (often related to Change and Transport System or similar modules)
  Typical Access Types: Could be values like R (Read), W (Write), D (Display), etc., depending on the context.
  Function Modules or Transactions: The error might appear in transport management, change requests, or custom programs dealing with access control.
  SAP Tables/Domains: Check domain values in SE11 for the data element related to the access type field.
  Debugging Tools: Use transaction SE91 to view message details, SE80 or SE38 to check the program, and SE11 for domain/data element info.
  
  
  If you provide the exact context (transaction, program, or module) where this error occurs, I can help with more specific guidance.