Flow price: --
d8b4bad582cbacb397b0c8a314f47fac248547223cf12f491f6f7b4508d577e4

Transaction

Hash: d8b4bad582cbacb397b0c8a314f47fac248547223cf12f491f6f7b4508d577e4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8b4bad582cbacb397b0c8a314f47fac248547223cf12f491f6f7b4508d577e4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8b4bad582cbacb397b0c8a314f47fac248547223cf12f491f6f7b4508d577e4
Status:
ERROR
Block height:
39783853
Block id:
d6b20c3cdf72557fe122a1ab96b448aaba65df5b6396314a2872d09654aa531d
Timestamp:
Thursday 27 October 2022 at 03:04:41 UTC
()
Proposer:
Authorizers:
Gas used:
47