Flow price: --
b15660274fe98a797a5224e334f387b5aef1c0f701829b8f4052af5582d7d56e

Transaction

Hash: b15660274fe98a797a5224e334f387b5aef1c0f701829b8f4052af5582d7d56e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b15660274fe98a797a5224e334f387b5aef1c0f701829b8f4052af5582d7d56e: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:
b15660274fe98a797a5224e334f387b5aef1c0f701829b8f4052af5582d7d56e
Status:
ERROR
Block height:
39924077
Block id:
bd3838407531f17894d170078d54ca865b1d202bb9284e6e43bf84ac95422acd
Timestamp:
Saturday 29 October 2022 at 11:25:28 UTC
()
Proposer:
Authorizers:
Gas used:
47