Flow price: --
6b7927004e1840af3c62ff6b83b6db0cf6add78cb1afbea13f9d323fe6fbcd50

Transaction

Hash: 6b7927004e1840af3c62ff6b83b6db0cf6add78cb1afbea13f9d323fe6fbcd50
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6b7927004e1840af3c62ff6b83b6db0cf6add78cb1afbea13f9d323fe6fbcd50:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6b7927004e1840af3c62ff6b83b6db0cf6add78cb1afbea13f9d323fe6fbcd50
Status:
ERROR
Block height:
39916730
Block id:
7e94735113fd21635cd52feb17399368f4254adcf9e165ad909b2fe1686fba3e
Timestamp:
Saturday 29 October 2022 at 08:27:56 UTC
()
Proposer:
Authorizers:
Gas used:
47