Flow price: --
f6a6d8a6d389a457b461aac24204f7d668f222cd8abd8e5c266e46e46df065ab

Transaction

Hash: f6a6d8a6d389a457b461aac24204f7d668f222cd8abd8e5c266e46e46df065ab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f6a6d8a6d389a457b461aac24204f7d668f222cd8abd8e5c266e46e46df065ab: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:
f6a6d8a6d389a457b461aac24204f7d668f222cd8abd8e5c266e46e46df065ab
Status:
ERROR
Block height:
39939639
Block id:
5f5eaa8b834990c2e4f0c5eba52af534600add788ea0829e3a402657a8ba9fc5
Timestamp:
Saturday 29 October 2022 at 17:43:21 UTC
()
Proposer:
Authorizers:
Gas used:
46