Error: "Critical System Error System.FormatException Input string was not in a correct format"
This support note applies to:
- AO Practice Manager (NZ)
- AO Practice Manager (AU)
- AE Practice Manager (NZ)
- AE Practice Manager (AU)
If negative number formats are incorrectly set in Windows, you may see the following error when adding a credit note/ a negative miscellaneous charge such as a discount or practice write off in MYOB Practice Manager.
Critical System Error
System.FormatException
Input string was not in a correct format.