1930221 - -1305 MOBILINK_COMMUNICATIONS_ERROR | SAP Knowledge Base Article

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  • This synchronization error is seen on a client after a failed synchronization

2013-10-15 17:03:45.038 <ApplicationName>[1076:850f] Http Communication Failure, Erro Code =201, = (null),
2013-10-15 17:03:45.038 <ApplicationName>[1076:850f] =================================================
2013-10-15 17:03:45.039 <ApplicationName>[1076:850f] SUPPersistenceException: SUPPersistenceException from synchronize: -- SUPSynchronizeException: Sync failed: -1305 (MOBILINK_COMMUNICATIONS_ERROR) %1:201 %2:128 %3:0Details:
StreamErrorCode = 201
StreamErrorMessage = 128

  • The SUP verbosity logs shows no connectivity problems when receiving the upload or sending the complete download to the client.
  • NOTE: This is a generic communication error and this article refers to one possible solution depending on the environment described below as well as other factors like synchronization performance in the SUP/SMP server.




  • Native Client application
  • Replication Based Synchronization (RBS)
  • Sybase Unwired Platform (SUP) 2.1.3, 2.2.x
  • SAP Mobile Platform (SMP) 2.3.x
  • Connection via WLAN, probably through (but not limited to) Relay Server
  • Synchronizing higher volumes of data
  • Poorer quality network coverage.
  • Seen more often on iOS 6.x devices but would not be limited to this.


SAP Mobile Platform 2.3 ; Sybase Unwired Platform 2.1 ; Sybase Unwired Platform 2.2


KBA , MOB-SUP-RT , SUP Runtime , Problem

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