Flow price: --
6801c44b509ba6522854c34d5dc1615d04dc835c45a64f9794fd1f0136f970c6

Transaction

Hash: 6801c44b509ba6522854c34d5dc1615d04dc835c45a64f9794fd1f0136f970c6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6801c44b509ba6522854c34d5dc1615d04dc835c45a64f9794fd1f0136f970c6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6801c44b509ba6522854c34d5dc1615d04dc835c45a64f9794fd1f0136f970c6
Status:
ERROR
Block height:
40021462
Block id:
7990abc0178089ebf397a0fc3f826168a24ae9e49975cd9f2f7b59355e59bd8d
Timestamp:
Monday 31 October 2022 at 02:17:26 UTC
()
Proposer:
Authorizers:
Gas used:
46