Flow price: --
71efe69196bbca19a7859788d7806f1cc50b4d0c1c2d6d67d8d3d2729409453b

Transaction

Hash: 71efe69196bbca19a7859788d7806f1cc50b4d0c1c2d6d67d8d3d2729409453b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71efe69196bbca19a7859788d7806f1cc50b4d0c1c2d6d67d8d3d2729409453b: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:
71efe69196bbca19a7859788d7806f1cc50b4d0c1c2d6d67d8d3d2729409453b
Status:
ERROR
Block height:
39977932
Block id:
67c90dfdaf77a3aaf06339c808976e19157af97dc27fabf83a8f3c39be13da84
Timestamp:
Sunday 30 October 2022 at 08:56:06 UTC
()
Proposer:
Authorizers:
Gas used:
49