en.ini

; language file
test = value

err-0 = successful
suc = successful

; error code and message for response.

err-2100 = service is not available
err-2101 = server error
err-2102 = permission denied
err-2104 = page not found
err-2105 = resource not found
err-2106 = parameter error
err-2107 = parameter missing
err-2108 = record not found
err-2112 = operation failed
err-2113 = invalid request
err-2114 = invalid parameter

; common
err-2201 = request params check failed
err-2202 = repeat operation
err-2210 = database operation failure
err-2211 = invalid submission data
err-2212 = data verification failed

; database

err-2401 = insert data to database failed
err-2402 = database record is not exists
err-2403 = update database record failed
err-2404 = delete database record failed
err-2405 = save record to database failed
err-2406 = duplicate key insert