Flow price: --
f63f7c828c3f5360f3ede80a04cdfff0c42369ff0c00e7f19b581fe95c07eae5

Transaction

Hash: f63f7c828c3f5360f3ede80a04cdfff0c42369ff0c00e7f19b581fe95c07eae5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f63f7c828c3f5360f3ede80a04cdfff0c42369ff0c00e7f19b581fe95c07eae5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f63f7c828c3f5360f3ede80a04cdfff0c42369ff0c00e7f19b581fe95c07eae5
Status:
ERROR
Block height:
40149117
Block id:
f7f4d8330adf0b61f62f881fa112d5d049e8e5acae18bec104955ef469511178
Timestamp:
Wednesday 2 November 2022 at 05:52:23 UTC
()
Proposer:
Authorizers:
Gas used:
49