Flow price: --
c2ebb87728e2f874d604f4bb4476036710e25652a5e9bc6a5bf2dd312d165698

Transaction

Hash: c2ebb87728e2f874d604f4bb4476036710e25652a5e9bc6a5bf2dd312d165698
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c2ebb87728e2f874d604f4bb4476036710e25652a5e9bc6a5bf2dd312d165698:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c2ebb87728e2f874d604f4bb4476036710e25652a5e9bc6a5bf2dd312d165698
Status:
ERROR
Block height:
39879291
Block id:
ad583ab03a9b68e479468ac2ce1d9bee0a065624e5a18fbf47f098e2e84fab7e
Timestamp:
Friday 28 October 2022 at 17:32:09 UTC
()
Proposer:
Authorizers:
Gas used:
50