Flow price: --
b7070d7ac2d9558977aa2c003e2a9d92308b94eb51fe74f5eafd98833e84829b

Transaction

Hash: b7070d7ac2d9558977aa2c003e2a9d92308b94eb51fe74f5eafd98833e84829b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b7070d7ac2d9558977aa2c003e2a9d92308b94eb51fe74f5eafd98833e84829b: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:
b7070d7ac2d9558977aa2c003e2a9d92308b94eb51fe74f5eafd98833e84829b
Status:
ERROR
Block height:
39743603
Block id:
bf9b2ae51fcaa9def661aff951dad452a7e2092c5f611a2f486476faaa53674b
Timestamp:
Wednesday 26 October 2022 at 10:51:54 UTC
()
Proposer:
Authorizers:
Gas used:
47