Flow price: --
9f257b19b0b43e4caa9aea910b96451c0eadd386179ee73b4501d7ec078ac62a

Transaction

Hash: 9f257b19b0b43e4caa9aea910b96451c0eadd386179ee73b4501d7ec078ac62a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9f257b19b0b43e4caa9aea910b96451c0eadd386179ee73b4501d7ec078ac62a: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:
9f257b19b0b43e4caa9aea910b96451c0eadd386179ee73b4501d7ec078ac62a
Status:
ERROR
Block height:
40164476
Block id:
3b3dc7697244a49659873a9b61cfa4349ae8f5638770cfb9e7f24f1ea830e754
Timestamp:
Wednesday 2 November 2022 at 12:07:17 UTC
()
Proposer:
Authorizers:
Gas used:
48