Flow price: --
3605ea78aa58701642ba2d48a73254d37cd6353133360808efaebd7fd8fc1e87

Transaction

Hash: 3605ea78aa58701642ba2d48a73254d37cd6353133360808efaebd7fd8fc1e87
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3605ea78aa58701642ba2d48a73254d37cd6353133360808efaebd7fd8fc1e87:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3605ea78aa58701642ba2d48a73254d37cd6353133360808efaebd7fd8fc1e87
Status:
ERROR
Block height:
40155348
Block id:
515d51a6845a252e600639d317504d6d052095fb4516e52e104cd70bc6139229
Timestamp:
Wednesday 2 November 2022 at 08:25:07 UTC
()
Proposer:
Authorizers:
Gas used:
49