Flow price: --
bc950c10aff228eb2cec71c809b1f985e262aedaead8ea230e1e6f64680c0733

Transaction

Hash: bc950c10aff228eb2cec71c809b1f985e262aedaead8ea230e1e6f64680c0733
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc950c10aff228eb2cec71c809b1f985e262aedaead8ea230e1e6f64680c0733:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc950c10aff228eb2cec71c809b1f985e262aedaead8ea230e1e6f64680c0733
Status:
ERROR
Block height:
40169188
Block id:
d960faa9968fb07cb976abcddf40f524f08cafdfed5bf96157ae0c5188811291
Timestamp:
Wednesday 2 November 2022 at 14:00:40 UTC
()
Proposer:
Authorizers:
Gas used:
62