p.s. I must first click the button "update" before it works properly with the number...
receipt payment not skipped when input field is empty (e.g. not number zero)
missing default value for date input fields
setup.pl "enter user" menu if employee# empty then perl error
missing input in 'add contact' throws perl errors (cosmetic)
Indeed that was it, an RTFM. Works well when keeping the name of the DB the same...
when opening invoices then the date fields are empty
after conversion to 1.4 previous 1.3.39 users only get menu "new window" and "logout" menu option