Flow price: --
6906afa8ee71c7f97c180fa97422a932f711d493e0e80978c330fcef638a38da

Transaction

Hash: 6906afa8ee71c7f97c180fa97422a932f711d493e0e80978c330fcef638a38da
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6906afa8ee71c7f97c180fa97422a932f711d493e0e80978c330fcef638a38da: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:
6906afa8ee71c7f97c180fa97422a932f711d493e0e80978c330fcef638a38da
Status:
ERROR
Block height:
39860541
Block id:
1c0a41f8ad123696c5f4cf05027e1445a8b86700099edf9ebc6beba17450f77f
Timestamp:
Friday 28 October 2022 at 10:01:35 UTC
()
Proposer:
Authorizers:
Gas used:
48