This article explains the reason for "PPE Timeout Congestion error due to possible packet processing loop" and "LKUP_ASIC_DECLARE_WEDGE_X0" on MPC10E cards.

Below logs can be seen during the time.

Nov 9 03:40:01.220 2023 she504-rtr-1 : %PFE-5: fpc5 CMError: /fpc/5/pfe/0/cm/0/ZT[0]-LUSS/0/LKUP_ASIC_PPE_TIMEOUT_CONGESTION (0x40098), scope: pfe, category: functional, severity: minor, module: ZT[0]-LUSS, type: PPE Timeout Congestion error due to possible packet processing loop., oc_category:

Nov 9 03:40:01.627 2023 she504-rtr-1 : %PFE-5: fpc5 CMError: /fpc/5/pfe/0/cm/0/MQSS(0)/0/ZTCHIP_MQSS_CMERROR_DRD_RORD_ENG_SRAM_PAR_PROTECT_FSET_REG_DETECTED_PQPTR (0x227f79), scope: pfe, category: functional, severity: minor, module: MQSS(0), type: DRD_RORD: Detected: PQ pointer memory, oc_categ

Nov 9 03:40:02.096 2023 she504-rtr-1 : %PFE-5: fpc5 CMError: /fpc/5/pfe/0/cm/0/ZT[0]-WEDGE/0/LKUP_ASIC_DECLARE_WEDGE_X0 (0x590001), scope: pfe, category: functional, severity: major, module: ZT[0]-WEDGE, type: LKUP ASIC Wedge X0, oc_category: unknown oc_category 

Please refer to https://supportportal.juniper.net/JSA75732 [juniper.net] for more information.