Flow price: --
6fa187f7dc64bfe01954840ef8290b04f85c1da7c7556b1c50ec0ca4e57f7a3b

Transaction

Hash: 6fa187f7dc64bfe01954840ef8290b04f85c1da7c7556b1c50ec0ca4e57f7a3b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6fa187f7dc64bfe01954840ef8290b04f85c1da7c7556b1c50ec0ca4e57f7a3b: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:
6fa187f7dc64bfe01954840ef8290b04f85c1da7c7556b1c50ec0ca4e57f7a3b
Status:
ERROR
Block height:
40019149
Block id:
87cea11901b7f406c7e857b07fbbffe353d41b783891a1312f2774b414687e44
Timestamp:
Monday 31 October 2022 at 01:21:51 UTC
()
Proposer:
Authorizers:
Gas used:
50