Flow price: --
5e8e5bbe82d9271a79f225484a58ba0a67978fbd36d51cba91ba80fb352e040f

Transaction

Hash: 5e8e5bbe82d9271a79f225484a58ba0a67978fbd36d51cba91ba80fb352e040f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e8e5bbe82d9271a79f225484a58ba0a67978fbd36d51cba91ba80fb352e040f: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:
5e8e5bbe82d9271a79f225484a58ba0a67978fbd36d51cba91ba80fb352e040f
Status:
ERROR
Block height:
40034924
Block id:
91d93ed97dd8977e6e0b801713ee47dc5e5fa08abf3c279d1e3f2b9a34d366bc
Timestamp:
Monday 31 October 2022 at 07:41:47 UTC
()
Proposer:
Authorizers:
Gas used:
49