Flow price: --
a8c3ab0afbace189ec1ea43c9b758cd251ccc633a7e5b95b63f24528893ee682

Transaction

Hash: a8c3ab0afbace189ec1ea43c9b758cd251ccc633a7e5b95b63f24528893ee682
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8c3ab0afbace189ec1ea43c9b758cd251ccc633a7e5b95b63f24528893ee682:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8c3ab0afbace189ec1ea43c9b758cd251ccc633a7e5b95b63f24528893ee682
Status:
ERROR
Block height:
39987568
Block id:
e71b2bd74b1dbf4d840d82ba959fb96ae7a3998596b3aed665c39bb03aaede1a
Timestamp:
Sunday 30 October 2022 at 12:47:18 UTC
()
Proposer:
Authorizers:
Gas used:
50