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Article ID: 131359, created on Aug 26, 2017, last review on Aug 26, 2017

  • Applies to:
  • Operations Automation 7.0


On attempt to access OA > System > Settings > System Notifications > Email Templates the following error is displayed:

An unforeseen error occurred. Please contact

Message: "buffer too small".


The hotfix PAU v17 KB130538 was installed without following required hotfixes:

  • OA 7.0.1 HOTFIX 130435 PUI v14
  • OA 7.0.1 HOTFIX 130324 UI CORE APP v5
  • OA 7.0.1 HOTFIX 130402 APS v4

The signature of the method getMessageTypes was changed in PAU v17, but corresponding hotfix PUI v14 was not installed, so PUI does not support new method signature.


To fix the issue please install the latest PAU hotfix with all required hotfixes.

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