Flow price: --
4145172fc0c5a005e076d02dc1575c56a141e10965e7d9aedb92d62999284ef6

Transaction

Hash: 4145172fc0c5a005e076d02dc1575c56a141e10965e7d9aedb92d62999284ef6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4145172fc0c5a005e076d02dc1575c56a141e10965e7d9aedb92d62999284ef6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4145172fc0c5a005e076d02dc1575c56a141e10965e7d9aedb92d62999284ef6
Status:
ERROR
Block height:
40047887
Block id:
9a3f3aa8fbd7e7593b0886470b685a12b5d93b0866430017f027bdb45c00f5b3
Timestamp:
Monday 31 October 2022 at 12:55:08 UTC
()
Proposer:
Authorizers:
Gas used:
47