Category Archives: 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 sol [...]

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 paramete [...]

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 yo [...]
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