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Author's profile photo Jesse Bernal

Common Error Message in Enable Now – How to fix

You are getting an error message while using our product. In the table below you can check if it is a known error message and find the respective Note to resolve it.

Error Note
INFO [http-nio-8080-exec-9] org.apache.coyote.http11.AbstractHttp11Processor.process Error parsing HTTP request header
Server Response Code:400
GET null 400
No connection to server
A Network or server issue is temporarily limiting features
Connection failed: Forbidden
“com.datango.pdb.importer.XLSCollaboratorImport.doImport() com.datango.pdb.importer.XLSCollaboratorImport.importExcel() cell is null,please set cell-row:x column:x”
com.datango.pdb.authentication.TreeAuthenticater|com.datango.pdb.exception.CollaboratorServerException: com.datango.pdb.authentication.TreeAuthenticater.authenticateUser():531
Wrong database version
HttpEndRequest failed. – System error: The operation timed out (12002)
Check base path: invalid
com.datango.pdb.import.ImportServletWizard.doPost():366: – caused by: Receive timed out
IoExeption amzip::Extractor: Unknown Error
This content can’t be shown in a frame
“Error: SAP DBTech JDBC: [305]: single-row query returns more than one row: ptime::PtimeException]”
Status: 400 : Bad Request
 {“status”:500,”message”:”com.datango.pdb.web.PDBEntityServlet.doGet():-1: error in database – caused by: Procedure or function get_subtreexml has too many arguments specified.”,”message_error_code”:””}
The connection to the remote workarea is not yet ready. Please try again later.
ZIP error in C:\Users\<UserID>\AppData\Local\Temp\wpb_cloud\Cache\<filename>.
 Unique constraint violated.

For more detail see this document:


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      Author's profile photo Andrew Petriuusi
      Andrew Petriuusi


      First off, thank you for referring us to this page in the "Ask an Expert" session today! This will be really helpful to refer back to.

      Now, unfortunately, we did follow the link for the error one of our SMEs received when synchronizing their workarea (Status Code: 400 - Bad Request - details shown below), but the linked document seemed to deal with a different instance of the error relating to connecting SEN to SolMan (

      Do you have any thoughts on the error in this context? Should we submit a support ticket for this?

      Thanks again, and stay well!

      Author's profile photo Choong Win Shen
      Choong Win Shen

      hi, did you solve this problem? I have encountered this one too...