> Source: [sk122148](https://support.checkpoint.com/results/sk/sk122148)

# sk122148 - "The server did not provide a meaningful reply; this might be caused by a contract mismatch, a premature session shutdown or an internal server error" on SmartConsole R80.10

| Property | Value |
|----------|-------|
| Solution ID | sk122148 |
| Date Created | 2017-12-28 |
| Last Modified | 2020-07-06 |
| Technical Level | Advanced |
| Products | Security Management Server, SmartConsole |
| Versions | R82.10, R82, R81.20, R82.10, R82.20, R82.20, R82, R81.20 |
| OS | Windows |

## Symptoms

- * Login to SmartConsole R80.10 fails with "`The server did not provide a meaningful reply; this might be caused by a contract mismatch, a premature session shutdown or an internal server error`" error or "`An internal error has occurred`".
* R80.10 Jumbo HotFix Take 42 is installed for PMTR-454 fix, but the problem still occurs.
* Running `cpstop` and `cpstart` temporarily fix the problem.
* CPM logs shows the following error for the affected user as shown in "adminName" section:   
  `Error: Shouldn't have more then one SessionAggregator with the same workSessionId `, Got [SessionAggregator{name='', adminId=, adminName=''

## Cause

Wrong handling of several functions in the code, or hardware failure.

## Solution

This solution requires authentication. Please log in to view the full solution.

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