Flow price: --
c6b8476e9ffada37ec92819dadf470e5c9e389c71c0019c0112f64892cc9e869

Transaction

Hash: c6b8476e9ffada37ec92819dadf470e5c9e389c71c0019c0112f64892cc9e869
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c6b8476e9ffada37ec92819dadf470e5c9e389c71c0019c0112f64892cc9e869:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c6b8476e9ffada37ec92819dadf470e5c9e389c71c0019c0112f64892cc9e869
Status:
ERROR
Block height:
40025004
Block id:
5fbbcc6d260b54d253495c9fa0224a0f9236b670e8f57cd08404f018ff995978
Timestamp:
Monday 31 October 2022 at 03:42:12 UTC
()
Proposer:
Authorizers:
Gas used:
51