Category Archives for SAP Erros

Error message Special character “_” in generic key

I got this error when entering a value into a key field of a custom SAP table. I am still not really sure why this error occurred as the solution I found was not really related to the error text as I just

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FL389 – Only tables with flat line structure are allowed in RFC – SAP error message

The SAP message FL 389 can also appear if you are assigning a structure which contains a string field to a function module tables parameter. Within an RFC enabled function module it shows this message as

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Table Maintenance dump – Negative value

If you get the following error when you access your table maintenance via transaction SM30 it is probably due to negative values within your table fields. Category: Error at Screen Runtime Runtime Errors:

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