Reset to original width not possible. Lines are too long.

What causes this issue?

If you reset the column width of one or all key figures to its
original width, this causes the total width of the list to exceed the
maximum width of 255 characters.

System Response

The system does not change the column width.

How to fix this error?

To reset the column back to its original width, you need to delete some
key figures beforehand.

Error message extract from SAP system. Copyright SAP SE.