Faced with 50001 error, how i can resolve this, and how i can understand what rollup trigger the issue

Failed to process Queueable job for class rh2.PS_QueueableRollup for job ID 707P100001GgrsB.
caused by: System.LimitException: rh2:Too many query rows: 50001
Class.rh2.PS_SOQL_Aggregate_Functions.rollUp: line 131, column 1
Class.rh2.PS_Rollup_Context.runThroughSOQLAFIfNecessary: line 597, column 1
Class.rh2.PS_Rollup_Context.processSOQLAggregateFunctionRollups: line 562, column 1
Class.rh2.PS_Rollup_Context.run: line 483, column 1
Class.rh2.PS_Rollup_Helper.rollupToParent: line 76, column 1
Class.rh2.PS_Rollup_Helper.<init>: line 55, column 1
Class.rh2.PS_Rollup_Helper.<init>: line 45, column 1
Class.rh2.PS_Asynchronous_Job_Handler.executeQueueableOrFuture: line 242, column 1
Class.rh2.PS_QueueableRollup.execute: line 23, column 1