Dear experts ,
I was facing below errors with Approve Purchase Order application :
with :<hostname:port>/sap/bc/ui5_ui5/ui2/ushell/shells/abap/FioriLaunchpad.html
results as in screenshot with added below error :
and opening "Approve purchase Order " throws HTTP ERROR as in screen shot
<?xml version="1.0" encoding="utf-8"?><error xmlns:xsi="http://www.w3.org/2001/XMLSchema-Instance"><code>HTTP/500/E/Internal Server Error</code><message> Call of service /sap/opu/odata/SAP/GBAPP_POAPPROVAL/WorkflowTaskCollection terminated because of an error. The following error text was processed in system ECC : Specified value is not a valid value for the type of an XML document The error occurred on the application server SAPDEV. The termination type was: RABAX_STATE.If the termination type is RABAX_STATE, you will find more information on the cause of termination in system ECC in transaction ST22. If the termination type is ABORT_MESSAGE_STATE, you will find more information on the cause of termination on the application server SAPD in transaction SM21. If the termination type is ERROR_MESSAGE_STATE, you can search for further information in the trace file for the work process in transaction ST11 on the application server SAPD. You may also need to analyze the trace files of other work processes. If you do not yet have a user ID, contact your system adminmistrator. </message></error>