Message type: E = Error
Message class:  CUMTX - Variant Configuration - Master Data Maintenance 
Message number: 277
Message text: Line & not found in table &
You want to change or delete a table line.
The system could not find table line number &V1&.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CUMTX277, which states "Line & not found in table &," typically occurs during the execution of a program or transaction that is trying to access a specific line in a table that does not exist. This can happen for various reasons, including data inconsistencies, incorrect program logic, or issues with the configuration of the system. Causes: Data Inconsistency: The line number being referenced may not exist in the specified table due to data corruption or deletion. Incorrect Program Logic: The program may be trying to access a line that has not been populated or has been incorrectly indexed.
Configuration Issues: There may be issues with the configuration of the table or the way it is being accessed. User Input Error: The user may have entered incorrect parameters or values that lead to the error. Solutions: Check Data Integrity: Verify the data in the specified table to ensure that the line number exists. You
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CUMTX275 Table entries already standardized
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CUMTX274 Number of combinations is & - restrict allowed values
What causes this issue?  You want to display the table as a decision table.System Response  The number of possible combinations to be displayed is cur...
CUMTX278 Characteristic &1 is not in the structure of variant table &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CUMTX283 Export is not possible in SAP GUI for HTML.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.