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Support Article

Unresolved Assembly error when closing work objects



An error appears on closing a work object.

Error Messages

Caused by: - Method "Page-Remove" (class
"com.pega.pegarules.exec.internal.rules.methods.MethodPageRemove") is not recognized

Steps to Reproduce

  1. Close a work object.
  2. Observe the error.

Root Cause

A defect in Pegasystems’ code or rules:
The method was not found during first use assembly (FUA) for Activity rule WorkUnlock.


  1. Use SMA tool > Advanced > Virtual Rule Table Cache Management.
  2. Enter Rule-Obj-Activity for pxObjClass and WORKUNLOCK for pxInsID. Click Lookup Virtual Table Cache Detail.
  3. Choose Reassemble Candidates button to invalidate assemblies to force a reassembly of the rule on next use.

Published June 17, 2016 - Updated October 8, 2020

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