Flow price: --
b799cb404a1f98e3acf20c49883f0f04bd510323a6734fef0a76305e57076d0b

Transaction

Hash: b799cb404a1f98e3acf20c49883f0f04bd510323a6734fef0a76305e57076d0b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b799cb404a1f98e3acf20c49883f0f04bd510323a6734fef0a76305e57076d0b: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:
b799cb404a1f98e3acf20c49883f0f04bd510323a6734fef0a76305e57076d0b
Status:
ERROR
Block height:
40146154
Block id:
55bb10515e9c59c9b75847bb48a1361f3691d0fce0e76fd34c27cc43a084be85
Timestamp:
Wednesday 2 November 2022 at 04:40:30 UTC
()
Proposer:
Authorizers:
Gas used:
46