In 1.3, when posting an AP payment using Cash -> Payment, search for a vendor with outstanding balance, enter a source and payment account, update, and Post.
Post generates an internal server error, error log contains the following:
[Tue Nov 04 10:23:34 2014] [error] [client 192.168.233.1] Can't use string ("{36.1,552.15}") as an ARRAY ref while "strict refs" in use at LedgerSMB/DBObject/Payment.pm line 800., referer: https://xxx/payment.pl
https://github.com/ledgersmb/LedgerSMB/pull/530