Flow price: --
010d5166d84d3ba9e1b210b9483aafaa7a48c634bb16a52c93a433f3b8c6e999

Transaction

Hash: 010d5166d84d3ba9e1b210b9483aafaa7a48c634bb16a52c93a433f3b8c6e999
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 010d5166d84d3ba9e1b210b9483aafaa7a48c634bb16a52c93a433f3b8c6e999:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
010d5166d84d3ba9e1b210b9483aafaa7a48c634bb16a52c93a433f3b8c6e999
Status:
ERROR
Block height:
39762252
Block id:
b794fbbb9bf7b5f1d4638a874eb47202dec9088862ad0ec45119431abf123a22
Timestamp:
Wednesday 26 October 2022 at 18:23:10 UTC
()
Proposer:
Authorizers:
Gas used:
46