Flow price: --
91aa5feadfb52e617b0f4255f8b10da30d2e8efc5544e5a5b41962ac8f006b32

Transaction

Hash: 91aa5feadfb52e617b0f4255f8b10da30d2e8efc5544e5a5b41962ac8f006b32
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91aa5feadfb52e617b0f4255f8b10da30d2e8efc5544e5a5b41962ac8f006b32:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
91aa5feadfb52e617b0f4255f8b10da30d2e8efc5544e5a5b41962ac8f006b32
Status:
ERROR
Block height:
39939580
Block id:
1b2c0fa3a134fa443718e59c363b1f91cd1564c1cf6299e57c3ccc5c95d4274e
Timestamp:
Saturday 29 October 2022 at 17:41:51 UTC
()
Proposer:
Authorizers:
Gas used:
47