Error 'Unsupported Major.Minor Version 52.0' When Loading Applets in P6 Web
(Doc ID 2284298.1)
Last updated on AUGUST 14, 2019
Applies to:Primavera P6 Enterprise Project Portfolio Management - Version 126.96.36.199 to 188.8.131.52 [Release 16.1 to 17.12]
Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version 184.108.40.206 to 220.127.116.11 [Release 16.1 to 17.12]
Information in this document applies to any platform.
Users receive the following error when attempting to load applets in the P6 Web application:
UnsupportedClassVersionError: com/primavera/pvapplets/projects/ProjectApplet : Unsupported major.minor version 52.0
The issue can be reproduced at will with the following steps:
- Login to P6 Web.
- Select the Projects tab.
- Click Switch to Classic View.
- Observe reported error.
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