How To Fix OO126 - Type & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 126

• Message text: Type & does not exist

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 OO126 - Type & does not exist ?

  The SAP error message "OO126 Type & does not exist" typically indicates that the system is unable to find a specific data type that is referenced in your ABAP program or configuration. This error can occur in various contexts, such as when defining data types in ABAP programs, when working with data dictionary objects, or when using certain function modules or classes.
  Causes:
  
  Typographical Error: The most common cause is a typo in the data type name. Ensure that the type name is spelled correctly.
  Missing Data Type: The data type may not have been created or activated in the system. This can happen if the type is defined in a custom development that has not been transported or activated.
  Namespace Issues: If the type is defined in a specific namespace, ensure that the namespace is correctly referenced.
  Transport Issues: If the type was recently transported from another system, it may not have been imported correctly.
  Authorization Issues: Sometimes, authorization issues can prevent the system from accessing certain types.
  
  Solutions:
  
  Check Spelling: Verify that the data type name is spelled correctly in your code.
  Data Dictionary: Go to the Data Dictionary (transaction SE11) and check if the type exists. If it does not, you may need to create it or activate it if it is in a development state.
  Activate Objects: If the type is part of a custom development, ensure that all related objects are activated. You can do this in transaction SE80 or SE11.
  Transport Request: If the type is supposed to be in the system but is missing, check the transport requests to ensure that it has been transported correctly.
  Namespace Check: If the type is in a specific namespace, ensure that you are using the correct prefix in your code.
  Authorization Check: Ensure that you have the necessary authorizations to access the data type.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SE37: Function Module
  
  
  Debugging: If you are unsure where the error is occurring, you can use the ABAP debugger to trace the execution and find out where the type is being referenced.
  Documentation: Check SAP Help or community forums for additional insights or similar issues faced by other users.
  
  If the problem persists after checking these areas, consider reaching out to your SAP Basis or ABAP development team for further assistance.