How To Fix CMAC_FEE_CALC018 - Cannot create ALV tree control; program will be terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: CMAC_FEE_CALC - Messages for Student Accounting

• Message number: 018

• Message text: Cannot create ALV tree control; program will be terminated

What causes this issue?

The system could not create the ALV tree control due to a system error.

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMAC_FEE_CALC018 - Cannot create ALV tree control; program will be terminated ?

  The SAP error message CMAC_FEE_CALC018 indicates that the system is unable to create an ALV (ABAP List Viewer) tree control, which is a common interface element used in SAP for displaying hierarchical data. This error typically occurs in custom programs or reports that utilize ALV for displaying data in a structured format.
  Causes:
  
  Memory Issues: The system may be running low on memory, which can prevent the creation of new UI elements like the ALV tree control.
  Incorrect Data Structure: The data being passed to the ALV tree control may not be structured correctly, leading to issues during the rendering process.
  Program Errors: There may be bugs or logical errors in the ABAP code that is responsible for creating the ALV tree control.
  Authorization Issues: The user may not have the necessary authorizations to execute the program or access certain data.
  SAP GUI Issues: Problems with the SAP GUI installation or configuration can also lead to