Message type: E = Error
Message class:  SV - View Maintenance: Customize Messages 
Message number: 808
Message text: Not all columns in the table can be displayed in the list
The table contains &V1& fields, but no more than 99 columns can be
displayed in the list.
Only the first 99 columns are initially output.
You can choose other table fields and save your selection as standard
variant with the List output function "Change layout".
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 SV808, which states "Not all columns in the table can be displayed in the list," typically occurs when you are trying to display a table or a list in SAP that has more columns than can be shown in the current display settings or screen layout. This can happen in various SAP transactions or reports where the output is limited by the screen size or configuration. Causes: Screen Size Limitations: The display area of the SAP GUI may not be wide enough to show all the columns of the table. Column Configuration: The configuration of the report or transaction may limit the number of columns that can be displayed. User Settings: Individual user settings or preferences may restrict the number of columns shown. Data Volume: The amount of data being retrieved may exceed the display capabilities of the transaction. Solutions: Adjust Column Display Settings: Go to the layout settings of the report or transaction
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