Version 2.9.7 added a new configuration item called SecArgumentsLimit, which limits the number of items added to the ARGS collection and set the REQBODY_ERROR variable when the limit is breached. There is a software default of 1000. If you expect to have legitimate requests that exceed that limit, you will need to specify a higher limit in your 00_modsecurity.conf file.
Request Body Parsing Failed. SecArgumentsLimit exceeded:
