Flow price: --
5930c51e8e93cb05a5ff2f365762795776d87c5f4ecba6dbe97d5a1c3f8846d8

Transaction

Hash: 5930c51e8e93cb05a5ff2f365762795776d87c5f4ecba6dbe97d5a1c3f8846d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5930c51e8e93cb05a5ff2f365762795776d87c5f4ecba6dbe97d5a1c3f8846d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5930c51e8e93cb05a5ff2f365762795776d87c5f4ecba6dbe97d5a1c3f8846d8
Status:
ERROR
Block height:
40052251
Block id:
ac378a503dda728bbb45b9457fc86c554c2b3c37936f18df6b797f32f027ddaf
Timestamp:
Monday 31 October 2022 at 14:40:51 UTC
()
Proposer:
Authorizers:
Gas used:
49