Flow price: --
04c7efec50d60663cd283b0858988a6103af55f35fa3be397de6efaedb679190

Transaction

Hash: 04c7efec50d60663cd283b0858988a6103af55f35fa3be397de6efaedb679190
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 04c7efec50d60663cd283b0858988a6103af55f35fa3be397de6efaedb679190:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
04c7efec50d60663cd283b0858988a6103af55f35fa3be397de6efaedb679190
Status:
ERROR
Block height:
39858808
Block id:
f48f4b480865cff7b26b3ed2ac29d2fdd4696f7c8ddb96256a7759897df7de59
Timestamp:
Friday 28 October 2022 at 09:20:05 UTC
()
Proposer:
Authorizers:
Gas used:
47