Flow price: --
b8bd33c010e19ab555c3dcd7798572600814344a8b6e826c13cc9513cb380aed

Transaction

Hash: b8bd33c010e19ab555c3dcd7798572600814344a8b6e826c13cc9513cb380aed
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8bd33c010e19ab555c3dcd7798572600814344a8b6e826c13cc9513cb380aed: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:
b8bd33c010e19ab555c3dcd7798572600814344a8b6e826c13cc9513cb380aed
Status:
ERROR
Block height:
39865100
Block id:
e281ef5fa4635beef15bac693b42b447265964d1aa9d86b1f3003879b814436c
Timestamp:
Friday 28 October 2022 at 11:52:00 UTC
()
Proposer:
Authorizers:
Gas used:
47