rspo/lpq/retries is a SAP Parameter attribute which is used to control Number of query retries until jobs go to problem state information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
If rspo/lpq/retries cannot establish a connection to an (SAP)LPD to
query the job status, the relevant jobs are set to "problem" and any
further queries are stopped. The system waits for
See SAP Parameter Documentation for full SAP documentation for this profile parameter.