Flow price: --
b670c20982dd1764ca30a315ab76cfd3cb43338e8dab6b8b329438854787e4f6

Transaction

Hash: b670c20982dd1764ca30a315ab76cfd3cb43338e8dab6b8b329438854787e4f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b670c20982dd1764ca30a315ab76cfd3cb43338e8dab6b8b329438854787e4f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b670c20982dd1764ca30a315ab76cfd3cb43338e8dab6b8b329438854787e4f6
Status:
ERROR
Block height:
40120861
Block id:
a413899bb7856528acb4b2092807f4ce8db7017152e1bb970a56252c522a52aa
Timestamp:
Tuesday 1 November 2022 at 18:22:10 UTC
()
Proposer:
Authorizers:
Gas used:
46