Error occurred while scheduling WebI report

Hi Team,

While scheduling WebI report i am getting below error:

BW System BQ1 returned state 'DATA_ACCESS_PROBLEMS'. Message = Error while retrieving data: JCO_ERROR_SYSTEM_FAILURE: Time limit exceeded.

BW System BQ1 returned state 'NO_DATA_AVAILABLE'. Message = Query 0: Runtime error Time limit exceeded. with parallel processing via RFC Error while reading data; navigation is possible

Also getting multiple errors while refreshing WebI report.

Please find the attachment for multiple errors.

Please suggest.

Regards,

Tejveer Singh