This is a list of modulus response codes and their meaning in case of an unsuccessful request.

Code	Description
1232	Missing journal details.
1233	Missing journal date parameter.
1234	Incorrect date parameter format. Date format must follow ISO 8601 format. (Example: ‘2020-01-10’)
1235	Missing journal entries.
1236	Missing journal ID.
1237	Invalid journal ID.
1241	Missing account code for journal entry.
1239	Invalid account code for journal entry.
1240	Invalid currency for journal entry.
1230	Journal is not allowed for your app.
1227	Debit amount must be equal to credit amount.
1231	Debit and credit amounts must be greater than zero.
1228	Journal number is previously used.
1229	Action not allowed while journal not in review or pending status.
1226	Fiscal period is closed.
1225	Could not create new fiscal year.