Flow price: --
cbe5fa61e5f71b4d86678ae3c4855db213b2a5c8fe6ef9956d4f873c5aa05af5

Transaction

Hash: cbe5fa61e5f71b4d86678ae3c4855db213b2a5c8fe6ef9956d4f873c5aa05af5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cbe5fa61e5f71b4d86678ae3c4855db213b2a5c8fe6ef9956d4f873c5aa05af5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cbe5fa61e5f71b4d86678ae3c4855db213b2a5c8fe6ef9956d4f873c5aa05af5
Status:
ERROR
Block height:
39758014
Block id:
4b230014117bc338927051165e9522c480ce65a23052bc9f2f4631cd6e89ebf5
Timestamp:
Wednesday 26 October 2022 at 16:40:22 UTC
()
Proposer:
Authorizers:
Gas used:
46