Flow price: --
96d018bbfdee0d0f82fdad38611f1f2db8ab83173b4bbbe292e41882b2beb9b4

Transaction

Hash: 96d018bbfdee0d0f82fdad38611f1f2db8ab83173b4bbbe292e41882b2beb9b4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 96d018bbfdee0d0f82fdad38611f1f2db8ab83173b4bbbe292e41882b2beb9b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
96d018bbfdee0d0f82fdad38611f1f2db8ab83173b4bbbe292e41882b2beb9b4
Status:
ERROR
Block height:
40013809
Block id:
d756768fbeab6f115a1bb385ceb19f5f40be38c49db7964d06102fae409029ac
Timestamp:
Sunday 30 October 2022 at 23:14:40 UTC
()
Proposer:
Authorizers:
Gas used:
47