Flow price: --
618f9328a949211264817f4723a7c5417010dce07b3c0adc8a7dfc2bb33ea388

Transaction

Hash: 618f9328a949211264817f4723a7c5417010dce07b3c0adc8a7dfc2bb33ea388
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 618f9328a949211264817f4723a7c5417010dce07b3c0adc8a7dfc2bb33ea388:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
618f9328a949211264817f4723a7c5417010dce07b3c0adc8a7dfc2bb33ea388
Status:
ERROR
Block height:
39842580
Block id:
43e9971e8a1a87050ba2fc3480eb55a2f9eced0f5717dcacfd9ca95816276310
Timestamp:
Friday 28 October 2022 at 02:46:28 UTC
()
Proposer:
Authorizers:
Gas used:
52