Flow price: --
f79cce0397a3182d5531533e51f2ba96032d968e5d8cd3732b89c10a7d2d6eba

Transaction

Hash: f79cce0397a3182d5531533e51f2ba96032d968e5d8cd3732b89c10a7d2d6eba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f79cce0397a3182d5531533e51f2ba96032d968e5d8cd3732b89c10a7d2d6eba: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:
f79cce0397a3182d5531533e51f2ba96032d968e5d8cd3732b89c10a7d2d6eba
Status:
ERROR
Block height:
39909966
Block id:
00e35f56cc7f628e84b54754738b11157ad2104cde998c4039373391c91aebf0
Timestamp:
Saturday 29 October 2022 at 05:44:44 UTC
()
Proposer:
Authorizers:
Gas used:
48