Flow price: --
6602bcdfe699c86877dbd069ceb9c3bc1b0323815130f9e72e3a66871fee7509

Transaction

Hash: 6602bcdfe699c86877dbd069ceb9c3bc1b0323815130f9e72e3a66871fee7509
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6602bcdfe699c86877dbd069ceb9c3bc1b0323815130f9e72e3a66871fee7509:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6602bcdfe699c86877dbd069ceb9c3bc1b0323815130f9e72e3a66871fee7509
Status:
ERROR
Block height:
39859704
Block id:
021fc5bb398f301e9e0aa065ac06b3e34896ebf19a25ff9a3da908e24e229def
Timestamp:
Friday 28 October 2022 at 09:41:31 UTC
()
Proposer:
Authorizers:
Gas used:
50