Flow price: --
320a8cb63e1f0284cecc06142336bba14cb1cfd11c3494a56d4dfe988938ffd3

Transaction

Hash: 320a8cb63e1f0284cecc06142336bba14cb1cfd11c3494a56d4dfe988938ffd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 320a8cb63e1f0284cecc06142336bba14cb1cfd11c3494a56d4dfe988938ffd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
320a8cb63e1f0284cecc06142336bba14cb1cfd11c3494a56d4dfe988938ffd3
Status:
ERROR
Block height:
40043801
Block id:
f91979cb232c77cc9af8962358a3ed5b8b862615b7bc4550f9f7b9402d0697ed
Timestamp:
Monday 31 October 2022 at 11:16:24 UTC
()
Proposer:
Authorizers:
Gas used:
46