Flow price: --
69ff723fb1783818e139a5bb1da913e79086a14256798e2ba7919f330be17d3a

Transaction

Hash: 69ff723fb1783818e139a5bb1da913e79086a14256798e2ba7919f330be17d3a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69ff723fb1783818e139a5bb1da913e79086a14256798e2ba7919f330be17d3a: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:
69ff723fb1783818e139a5bb1da913e79086a14256798e2ba7919f330be17d3a
Status:
ERROR
Block height:
40159041
Block id:
1d8e51a6a91a6a29150baaa2b0f3c932ba1ef10fa576efd461440b6d3e9d0bcc
Timestamp:
Wednesday 2 November 2022 at 09:54:43 UTC
()
Proposer:
Authorizers:
Gas used:
46