Diagnosis
Subsequent lines have already been defined for the loop block.

Procedure
To define a loop block, position the cursor in the first line of theloop and press F16. To define a loop block with several lines, repeatthe above procedure for the last line of the block. Then define theloop factor by pressing F22. If the loop factor was increased followingdefinition of a single-line loop and the loop block must be changed,then delete all subsequent lines using F23.