Flow price: --
d16a406b9bbf2e36cc3a02bcbc789ebc4e8dffb0e0c89b0ebfafc37ff92c2750

Transaction

Hash: d16a406b9bbf2e36cc3a02bcbc789ebc4e8dffb0e0c89b0ebfafc37ff92c2750
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d16a406b9bbf2e36cc3a02bcbc789ebc4e8dffb0e0c89b0ebfafc37ff92c2750:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d16a406b9bbf2e36cc3a02bcbc789ebc4e8dffb0e0c89b0ebfafc37ff92c2750
Status:
ERROR
Block height:
39970256
Block id:
2713e67946b13a2fcb29d0b9b8f9d12482c792941f31b886c392222edf4b629c
Timestamp:
Sunday 30 October 2022 at 05:51:31 UTC
()
Proposer:
Authorizers:
Gas used:
49