Flow price: --
cd159f6a7217e2a0608a31e7d16d57a315ac3b5d2951b7b95a52d28556ef7445

Transaction

Hash: cd159f6a7217e2a0608a31e7d16d57a315ac3b5d2951b7b95a52d28556ef7445
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd159f6a7217e2a0608a31e7d16d57a315ac3b5d2951b7b95a52d28556ef7445:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cd159f6a7217e2a0608a31e7d16d57a315ac3b5d2951b7b95a52d28556ef7445
Status:
ERROR
Block height:
40092856
Block id:
06006198652c55013b59cd24bd58bcc3bae55650c5df6d60b460f5861ae816ba
Timestamp:
Tuesday 1 November 2022 at 07:01:21 UTC
()
Proposer:
Authorizers:
Gas used:
46