Unable to access /irj and /nwa on the java netweaver 7.3 after upgrade

Hello,

i am Unable to access the http://localhost:50000/irj and http://localhost:50000/nwa only http://localhost:50000 is working.

but only the Startpage is working i can not choose Systeminformation ort anything else.

This is the Error:

500   Internal Server Error

  SAP NetWeaver Application Server 

  Error: Application error occurred during the request processing.

  SAP Technology Troubleshooting Guide

Details: WebApplicationException log ID is [C0000A05012000570000000400CF007C].

Thanks

Steven