Flow price: --
972d4c87a7b459fe48ce7543aeb8971a8337356a4b3aa1014e783ac9957e4a6c

Transaction

Hash: 972d4c87a7b459fe48ce7543aeb8971a8337356a4b3aa1014e783ac9957e4a6c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 972d4c87a7b459fe48ce7543aeb8971a8337356a4b3aa1014e783ac9957e4a6c: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:
972d4c87a7b459fe48ce7543aeb8971a8337356a4b3aa1014e783ac9957e4a6c
Status:
ERROR
Block height:
39967488
Block id:
fbe080ec2a2bf28af504cf92ab68c2b6b71ab8c8c4970385a4f02ffbc1158b31
Timestamp:
Sunday 30 October 2022 at 04:45:00 UTC
()
Proposer:
Authorizers:
Gas used:
49