Flow price: --
79f9c9d8bd642007885754bc89dea09f5f1fc8b50049f085ca0e3a7ccc8c8b85

Transaction

Hash: 79f9c9d8bd642007885754bc89dea09f5f1fc8b50049f085ca0e3a7ccc8c8b85
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 79f9c9d8bd642007885754bc89dea09f5f1fc8b50049f085ca0e3a7ccc8c8b85:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
79f9c9d8bd642007885754bc89dea09f5f1fc8b50049f085ca0e3a7ccc8c8b85
Status:
ERROR
Block height:
40075508
Block id:
1ced74551abba753c97e0f78e789d5d89a8e1ed2863dca84af2100a8b982549b
Timestamp:
Tuesday 1 November 2022 at 00:00:18 UTC
()
Proposer:
Authorizers:
Gas used:
47