Only In Progress JVs can be modified.
Navigate to FGAJVCQ and enter the JV number in the Document Number field.
Tip: If the JV number is unknown, look it up on FGIJVCD.
Click the Next Block icon (or press Ctrl+Page Down) to move to the Document Header.
Click the Next Block icon (or press Ctrl+Page Down) to move to the Transaction Detail block.
Use the up and down arrow keys to scroll through the JV (or click the Next/Previous Record icons ).
Make desired changes.
Complete the JV according to the instructions in Complete a JV.