My Workflow conditions are being met but it seems to be stopping at random on certain workflows. Any idea? 

I can't find the instance in the error log but I have a ton of the error messages below:

Timestamp: 2017-02-21 12:43:25.776
Local Time: 2/21/2017 6:43:25 AM
Category: Activity
Machine: SCAPPSVR
Severity: Error
Application Domain: Laserfiche.Workflow.Service.exe
Process Id: 12128
Process Name: C:\Program Files\Laserfiche\Workflow10\Laserfiche Workflow 10\Laserfiche.Workflow.Service.exe
Win32 Thread Id: 9280 - 
Thread Name: 
Message: <Exception handlingInstanceId="d0987546-0541-4de7-9bf0-e3fb77857a3e">
  <Description>An exception of type 'System.NullReferenceException' occurred and was caught.</Description>
  <DateTime>2017-02-21 06:43:25Z</DateTime>
  <ExceptionType>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</ExceptionType>
  <Message>Object reference not set to an instance of an object.</Message>
  <Source>Laserfiche.Workflow.Runtime</Source>
  <HelpLink />
  <Property name="InstanceId">971a4502-dcfa-4796-87a1-43f64b10d4c5</Property>
  <Property name="TargetSite">Void CompleteBusinessProcess()</Property>
  <Property name="HResult">-2147467261</Property>
  <StackTrace>   at Laserfiche.Workflow.Runtime.DefaultWorkflowCompletionHandler.CompleteBusinessProcess()</StackTrace>
  <additionalInfo>
    <info name="MachineName" value="SCAPPSVR" />
    <info name="TimeStamp" value="2/21/2017 12:43:25 PM" />
    <info name="FullName" value="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
    <info name="AppDomainName" value="Laserfiche.Workflow.Service.exe" />
    <info name="ThreadIdentity" value="" />
    <info name="WindowsIdentity" value="SHTC\clusteradmin" />
  </additionalInfo>
</Exception>
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