Flow price: --
858f141d9d1acccea646554bda2f60d02c24200f69d529c67e88afdba4e56501

Transaction

Hash: 858f141d9d1acccea646554bda2f60d02c24200f69d529c67e88afdba4e56501
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 858f141d9d1acccea646554bda2f60d02c24200f69d529c67e88afdba4e56501:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
858f141d9d1acccea646554bda2f60d02c24200f69d529c67e88afdba4e56501
Status:
ERROR
Block height:
39866153
Block id:
fbf20a5ff23c2dd7f25692f14b1228fc3cc126140d91341a7b496ebdf0cfeed9
Timestamp:
Friday 28 October 2022 at 12:17:10 UTC
()
Proposer:
Authorizers:
Gas used:
46