Flow price: --
dfed624e8a2571ac432a2b114c1ae72a1830d41122cf4003814aabccc4890fc2

Transaction

Hash: dfed624e8a2571ac432a2b114c1ae72a1830d41122cf4003814aabccc4890fc2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dfed624e8a2571ac432a2b114c1ae72a1830d41122cf4003814aabccc4890fc2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dfed624e8a2571ac432a2b114c1ae72a1830d41122cf4003814aabccc4890fc2
Status:
ERROR
Block height:
39915399
Block id:
996ff39466b0a7001a47b8fefda9b7dae907422607d3a6a7c6d2f8b8cb8eb70c
Timestamp:
Saturday 29 October 2022 at 07:55:57 UTC
()
Proposer:
Authorizers:
Gas used:
50