Flow price: --
d56e0ae7d0d387bd4d6d236085e5bb106f954fda5c89ec2b7cf847dd40291672

Transaction

Hash: d56e0ae7d0d387bd4d6d236085e5bb106f954fda5c89ec2b7cf847dd40291672
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d56e0ae7d0d387bd4d6d236085e5bb106f954fda5c89ec2b7cf847dd40291672:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d56e0ae7d0d387bd4d6d236085e5bb106f954fda5c89ec2b7cf847dd40291672
Status:
ERROR
Block height:
39869277
Block id:
77cdeceb9d3f71fae15a7100832944e203e271d901c7f5ce5ca9601690aff4d9
Timestamp:
Friday 28 October 2022 at 13:32:16 UTC
()
Proposer:
Authorizers:
Gas used:
49