Flow price: --
933274e17944a730de39a6cca1bdb6c66a0a3b62c8e0834f399cc82155e35f66

Transaction

Hash: 933274e17944a730de39a6cca1bdb6c66a0a3b62c8e0834f399cc82155e35f66
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 933274e17944a730de39a6cca1bdb6c66a0a3b62c8e0834f399cc82155e35f66:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
933274e17944a730de39a6cca1bdb6c66a0a3b62c8e0834f399cc82155e35f66
Status:
ERROR
Block height:
39855506
Block id:
ed7a379fbeadc4d2bed81964adb473cada82f50a7ab3b00526d89300aaf23eda
Timestamp:
Friday 28 October 2022 at 08:00:47 UTC
()
Proposer:
Authorizers:
Gas used:
46