Flow price: --
3ae9c5e68b7bb7ed0b53ee37f56a63bacdb0a03c1b5f99db7574baf8dd122e60

Transaction

Hash: 3ae9c5e68b7bb7ed0b53ee37f56a63bacdb0a03c1b5f99db7574baf8dd122e60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3ae9c5e68b7bb7ed0b53ee37f56a63bacdb0a03c1b5f99db7574baf8dd122e60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3ae9c5e68b7bb7ed0b53ee37f56a63bacdb0a03c1b5f99db7574baf8dd122e60
Status:
ERROR
Block height:
39976748
Block id:
8503c2aeea8e8ca113dc3f1b1b5f8bab477eead427a2edec2d9a5c7a88df2426
Timestamp:
Sunday 30 October 2022 at 08:27:58 UTC
()
Proposer:
Authorizers:
Gas used:
49