Rippled crashes with "Assertion failed: (continueCallback && !continueCallback()), function findPaths, file PathRequest.cpp, line 541" (Version: 2.0.0-b2)

Issue Description

Rippled keeps crashing locally with the following output

`{ "Fee" : "20", "account" : "raszmy2tJyGsUvzctWjWbiz5u4BcjLjMKA", "command" : "account_objects", "deletion_blockers_only" : false, "ledger_index" : "validated", "limit" : 400 }

2023-Oct-04 04:30:40.669786 UTC Resource:DBG Inactive 127.0.0.1:1 2023-Oct-04 04:30:40.669817 UTC Server:DBG Reply: {"result":{"account":"raszmy2tJyGsUvzctWjWbiz5u4BcjLjMKA","account_objects":[],"ledger_hash":"D01780D3CE8E930B3B7EDFCF0F6A27284F6EDA1CC86DEBABBC86D76765676966","ledger_index":417962,"status":"success","validated":true}}

2023-Oct-04 04:30:40.673743 UTC JobQueue:DBG addRefCountedJob : Adding job : RPC-Client : 8 2023-Oct-04 04:30:40.673889 UTC Resource:DBG New unlimited endpoint 127.0.0.1:1 2023-Oct-04 04:30:40.673961 UTC Server:DBG Query: ripple_path_find { "Fee" : "20", "destination_account" : "raszmy2tJyGsUvzctWjWbiz5u4BcjLjMKA", "destination_amount" : { "currency" : "USD", "issuer" : "rMUgifyaqshgF3747jbTCeAKRXzqX9PCKp", "value" : "10000" }, "source_account" : "rsFCKaQDNDPQiubXUnLeb9Us9ps5npczye", "source_currencies" : [

            {
                    "currency" : "XRP"
            },

            {
                    "currency" : "USD"
            }
    ]

}

2023-Oct-04 04:30:40.674016 UTC PathRequest:DBG 11 created 2023-Oct-04 04:30:40.674041 UTC PathRequest:DBG getLineCache has cache for 0, considering 417962 2023-Oct-04 04:30:40.674062 UTC PathRequest:DBG getLineCache creating new cache for 417962 2023-Oct-04 04:30:40.674083 UTC RippleLineCache:DBG created for ledger 417962 2023-Oct-04 04:30:40.674170 UTC PathRequest:DBG 11 valid: rsFCKaQDNDPQiubXUnLeb9Us9ps5npczye 2023-Oct-04 04:30:40.674199 UTC PathRequest:DBG 11 deliver: 10000/USD/rMUgifyaqshgF3747jbTCeAKRXzqX9PCKp 2023-Oct-04 04:30:40.674223 UTC RippleLineCache:DBG destroyed for ledger 417962 with 1 accounts and 0 distinct trust lines. 2023-Oct-04 04:30:40.674244 UTC LedgerMaster:DBG newPFWork: Creating job. path find threads: 0 2023-Oct-04 04:30:40.674264 UTC JobQueue:DBG addRefCountedJob : Adding job : pf:newRequest : 14 2023-Oct-04 04:30:40.674304 UTC LedgerMaster:DBG updatePaths running 2023-Oct-04 04:30:40.674337 UTC LedgerMaster:DBG Updating paths 2023-Oct-04 04:30:40.674360 UTC PathRequest:DBG getLineCache has cache for 0, considering 417962 2023-Oct-04 04:30:40.674556 UTC PathRequest:DBG getLineCache creating new cache for 417962 2023-Oct-04 04:30:40.674597 UTC RippleLineCache:DBG created for ledger 417962 2023-Oct-04 04:30:40.674622 UTC PathRequest:NFO 11 aborting early 2023-Oct-04 04:30:40.674642 UTC PathRequest:DBG 11 update normal 2023-Oct-04 04:30:40.674698 UTC PathRequest:DBG 11 processing at level 2 2023-Oct-04 04:30:40.674726 UTC PathRequest:DBG 11 Trying to find paths: 1/XRP 2023-Oct-04 04:30:40.674768 UTC Pathfinder:DBG Non-existent gateway Assertion failed: (continueCallback && !continueCallback()), function findPaths, file PathRequest.cpp, line 541. `

Steps to Reproduce

Happens randomly when running for a prolonged period of time locally and running automated tests in parallel

Environment

Local running

XRPLF / rippled