SAP Knowledge Base Article - Public

2999072 - net::ERR_HTTP2_PROTOCOL_ERROR when running story against live connection via web dispatcher


  • unknown error message is seen in SAC
  • net::ERR_HTTP2_PROTOCOL_ERROR from http trace
  • *** ERROR => h2: 1579 - Connection Error 'FRAME_SIZE_ERROR' (6): "Read frame cannot be handled. It is too large (4273535). SETTINGS_MAX_FRAME_SIZE: 64000.( Frame Type: 226; Stream ID: 1066838429; This is probably not HTTP/2 data!" [icth2frames. 1476] in webdispatcher log


  • SAP Analytics Cloud (Enterprise) 2020.14.29

Reproducing the Issue

  1. Create live connection to data source like BW or HANA through webdispatcher
  2. Create story based on the live connection.
  3. Try to refresh the story or change filter several times, issue is seen


This issue is currently under investigation by development.


This issue is currently under investigation by development.

See Also

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SAP Analytics Cloud 1.0