File "/usr/local/lib/python3.6/asyncio/futures.py", line 243, in result raise self._exception aries_askar.error.AskarError: Backend error Caused by: pool timed out while waiting for an open connection The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/commands/start.py", line 72, in init await startup File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/commands/start.py", line 28, in start_app await conductor.setup() File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/core/conductor.py", line 174, in setup self.root_profile, self.setup_public_did and self.setup_public_did.did File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/config/ledger.py", line 154, in ledger_config await wallet.set_did_endpoint(public_did, endpoint, ledger) File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/wallet/askar.py", line 488, in set_did_endpoint endorser_did=endorser_did, File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/ledger/indy_vdr.py", line 877, in update_endpoint_for_did public_info = await self.get_wallet_public_did() File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/ledger/indy_vdr.py", line 1339, in get_wallet_public_did return await wallet.get_public_did() File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/wallet/askar.py", line 351, in get_public_did CATEGORY_CONFIG, RECORD_NAME_PUBLIC_DID File "/usr/local/lib/python3.6/site-packages/aries_cloudagent/storage/askar.py", line 93, in get_record raise StorageError("Error when fetching storage record") from err aries_cloudagent.storage.error.StorageError: Error when fetching storage record Shutting down