> Source: [sk163938](https://support.checkpoint.com/results/sk/sk163938)

# sk163938 - Global policy assign fails with "An internal error has occurred"

| Property | Value |
|----------|-------|
| Solution ID | sk163938 |
| Date Created | 2019-12-11 |
| Last Modified | 2020-12-24 |
| Technical Level | Advanced |
| Products | Multi-Domain Security Management Server |
| Versions | R82.10, R81.20, R82 |

## Symptoms

- * Reassigning Global policy on a specific domain fails with the following internal error:  
  `Global Domain Assignment Failed: An internal error has occurred.`  

* The *cpm.elg* file shows exception:   

  `
  ERROR internal.operation.OperationSvcImpl [taskExecutor-15]: caught exception "key is null" from class java.lang.IllegalArgumentException`  
  `
  ERROR coresvc.internal.GlobalDomainAssignmentSvcImpl$GlobalDomainTask [taskExecutor-15]: `  
  `
  Failed to do action: Reassign`  
  `
  java.lang.IllegalArgumentException: key is null`

## Cause

A link with an empty (NULL) source was sent.

## Solution

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