Flow price: --
9540c91cf3d1018247fb1de68d1dfae74a413e2a38f448bbccf5a9d3ed114232

Transaction

Hash: 9540c91cf3d1018247fb1de68d1dfae74a413e2a38f448bbccf5a9d3ed114232
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9540c91cf3d1018247fb1de68d1dfae74a413e2a38f448bbccf5a9d3ed114232:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9540c91cf3d1018247fb1de68d1dfae74a413e2a38f448bbccf5a9d3ed114232
Status:
ERROR
Block height:
40114297
Block id:
3f803f88b84cf35cf59965a152c4538d21211b2eb92501c3238766d535496475
Timestamp:
Tuesday 1 November 2022 at 15:42:09 UTC
()
Proposer:
Authorizers:
Gas used:
50