Flow price: --
85fd8776f092c2444edd2ec3e99c4d8b0cdf61bf0b50e3e2ce357f1af92fda68

Transaction

Hash: 85fd8776f092c2444edd2ec3e99c4d8b0cdf61bf0b50e3e2ce357f1af92fda68
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 85fd8776f092c2444edd2ec3e99c4d8b0cdf61bf0b50e3e2ce357f1af92fda68:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
85fd8776f092c2444edd2ec3e99c4d8b0cdf61bf0b50e3e2ce357f1af92fda68
Status:
ERROR
Block height:
40167443
Block id:
a3f735abe1174d670671ad5748fc2fa23bc0e55e9044bd924f05febd1bd072b0
Timestamp:
Wednesday 2 November 2022 at 13:18:33 UTC
()
Proposer:
Authorizers:
Gas used:
50