Pipeline Job is failing due to a null param1

Existing pipeline is failing due to param1=null ?

This pipeline had been setup long ago and it was working just fine when needed to run, until today.

I got these error message:

Pipeline Log:

Failed to submit the job due to invalid input : java.lang.NoClassDefFoundError: com/hyperion/amw/log/AMWLogger

{"jobName":null,"jobId":-1,"descriptiveStatus":"Error","detailedStatus":-1,"links":null,"details":"java.lang.NoClassDefFoundError: com/hyperion/amw/log/AMWLogger","status":1}

Data Management:

[jobType = businessRule, jobName = NU_Clear_Cube_Fcst_Retail_Gas, jobID = 157, jobSeq = 1, jobObject =NU_Clear_Cube_Fcst_Retail_Gas, jobConnection = 83b4858a-7be9-4cad-884d-795dcf7bd0a7, parameters =[{paramLevel=JOB, paramName=Param1, paramValue=null}]]