Flow price: --
36dc962fa6f51e47dfe170135c36f76bc0fb9ff9e6cd71d9453c72bf3bbcca70

Transaction

Hash: 36dc962fa6f51e47dfe170135c36f76bc0fb9ff9e6cd71d9453c72bf3bbcca70
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 36dc962fa6f51e47dfe170135c36f76bc0fb9ff9e6cd71d9453c72bf3bbcca70:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
36dc962fa6f51e47dfe170135c36f76bc0fb9ff9e6cd71d9453c72bf3bbcca70
Status:
ERROR
Block height:
40054711
Block id:
0444e9d0715619739bbd0a929ac6a4476d820ca974900108de6e0bad6ef1b34a
Timestamp:
Monday 31 October 2022 at 15:40:33 UTC
()
Proposer:
Authorizers:
Gas used:
50