Common Errors and solutions

This page is the FAQ which contains random errors and potential solutions of ApsimX

Invalid report variables

Error in report Output: Invalid report variables found:
RUEshoot

Possible Cause: 0 or other numeric values divided by 0.
Solution: Add a small number into the denominator. [ExtraVariables].Script.AverageInterceptedRadiation + 0.00000001

Radiation Units

Contributed by Edmar

Note: Units in the paper were in MJ of PAR … APSIM works in global radiation so we can multiply it by 2x

no such column: T.Zone - Unsloved

Run apimx in visual studio to figure out where the error from.

Common Lanuage Runtime Exceptions must be ticked to trace the error source.

System.NullReferenceException: 'Object reference not set to an instance of an object.'

Potential casue 1:

Solution is to delete the empty line in between the script.

Number of soil layers in SoilWater is different to number of layers in SoilWater.Crop

Object reference not set to an instance of an object.

could be

1. Soil layer issue: mismatch….

‘xcopy’ is not recognized as an internal or external command

This is a build warning, which won’t crush the build and the usage of apsimx.

System.InvalidCastException: Object cannot be cast from DBNull to other types.

Could be input data has null type. #3488