Flow price: --
7138b23b212edf91e90bbe20a6e2f0b2a6dd1170b70762f64c134a6c8484ace5

Transaction

Hash: 7138b23b212edf91e90bbe20a6e2f0b2a6dd1170b70762f64c134a6c8484ace5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7138b23b212edf91e90bbe20a6e2f0b2a6dd1170b70762f64c134a6c8484ace5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7138b23b212edf91e90bbe20a6e2f0b2a6dd1170b70762f64c134a6c8484ace5
Status:
ERROR
Block height:
39997252
Block id:
05f09eab60c1ee7206856d04095ccbf1cfae238b288612655728c283a1757bf2
Timestamp:
Sunday 30 October 2022 at 16:39:51 UTC
()
Proposer:
Authorizers:
Gas used:
47