Flow price: --
441504f6a5f53800572d5431a42ec9904d3e3026f3b92ad865c1b0f4255794ab

Transaction

Hash: 441504f6a5f53800572d5431a42ec9904d3e3026f3b92ad865c1b0f4255794ab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 441504f6a5f53800572d5431a42ec9904d3e3026f3b92ad865c1b0f4255794ab: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:
441504f6a5f53800572d5431a42ec9904d3e3026f3b92ad865c1b0f4255794ab
Status:
ERROR
Block height:
40151423
Block id:
3c4fd8a189de575198c2ac8dc1738e1de194378f071ea5673e45a67103a06877
Timestamp:
Wednesday 2 November 2022 at 06:49:16 UTC
()
Proposer:
Authorizers:
Gas used:
49