Flow price: --
f37f4aa6c8878f2a7be517e485b87e58f2206642e8ff65401c01b1bd707949a6

Transaction

Hash: f37f4aa6c8878f2a7be517e485b87e58f2206642e8ff65401c01b1bd707949a6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f37f4aa6c8878f2a7be517e485b87e58f2206642e8ff65401c01b1bd707949a6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f37f4aa6c8878f2a7be517e485b87e58f2206642e8ff65401c01b1bd707949a6
Status:
ERROR
Block height:
40095361
Block id:
517a216ed26a6690318e7a087f92e8c407235e9955c00efc9ac880a37e072020
Timestamp:
Tuesday 1 November 2022 at 08:02:15 UTC
()
Proposer:
Authorizers:
Gas used:
46