Distributed migration is failing post Content Matrix upgrade to 8.8.0.1

Hi - I am using Metalogix Content Matrix SharePoint Edition and recently upgraded to 8.8.0.1. After upgrade, distributed migrations started failing. Re-installed product on all the agents and out of 6 agents, only 3 started working now and others are still not working. Job is failing with the error "Error running job remotely" and the description says:

Status: Failed
Operation: Error running job remotely
Item Name: Error running job remotely
Source:
Target:
Information:
Please review details

Details:
Error:Copy-MLAllSharePointSiteContent : Object reference not set to an instance of an object. At \\<server name>\C$\MetalogixScripts\bf50ec73-d399-464f-81f5-cedd5b8e8908.ps1:21 char:25 + ... ollection | Copy-MLAllSharePointSiteContent -Target $Target -CopyPer ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (Metalogix.Share...teContentCmdlet:CopySiteContentCmdlet) [Copy-MLAllS harePointSiteContent], NullReferenceException + FullyQualifiedErrorId : Object reference not set to an instance of an object.,Metalogix.SharePoint.Migration.Com mands.CopySiteContentCmdlet Connecting to metalogix-vm07... Starting PSEXESVC service on <server name>... Connecting with PsExec service on <server name>... Starting cmd on <server name>... cmd exited on <server name> with error code 0.

We have configured distributed migrations via PowerShell. However, when we try with GUI, still the same behavior. With working agents too, sometimes jobs fail and sometimes it works. Has anyone experienced this issue?

Regards,

Pooja K.