Flow price: --
fb134b2825029c372d7eee34640a35da06ac872d486eadb9be2e65321dd00027

Transaction

Hash: fb134b2825029c372d7eee34640a35da06ac872d486eadb9be2e65321dd00027
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fb134b2825029c372d7eee34640a35da06ac872d486eadb9be2e65321dd00027:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fb134b2825029c372d7eee34640a35da06ac872d486eadb9be2e65321dd00027
Status:
ERROR
Block height:
39863847
Block id:
42a255fcceee12ca310595dbdf888e93416bf1dd4c770d419e8c4b4cfd0f9e40
Timestamp:
Friday 28 October 2022 at 11:21:59 UTC
()
Proposer:
Authorizers:
Gas used:
49