DATASET_TELL_ERROR is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.
Short Dump Classification: A - ABAP Programming Error
You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.
Also check out the Comments section below to view or add related contributions and example screen shots.
One possible cause of the error could be that the open file is not a
real file, but a FIFO (first-in-first-out queue) or a 'named pipe'.
Severe restrictions apply when processing objects of this kind with
READ DATASET and TRANSFER. It is particularly important to avoid
opening internal sessions (CALL TRANSACTION and the like) with the
program. It is also important to avoid displaying SCREENs or executng
COMMIT WORKs.
Error when calculating position for open file.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.
During certain system operations, it is necessary to close any files
that are currently open. To allow these filed to be re-opened, the
current file position must be determined.
This operation could not be performed here.
File: <runtime parameter>
Error text: <runtime parameter>
Error code: <runtime parameter>
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.