Flow price: --
c495b23e1887fba3f6d37f8716e69e2a651cae3c0e6674e0750ee5e9edfaf6c7

Transaction

Hash: c495b23e1887fba3f6d37f8716e69e2a651cae3c0e6674e0750ee5e9edfaf6c7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c495b23e1887fba3f6d37f8716e69e2a651cae3c0e6674e0750ee5e9edfaf6c7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c495b23e1887fba3f6d37f8716e69e2a651cae3c0e6674e0750ee5e9edfaf6c7
Status:
ERROR
Block height:
39799199
Block id:
ef0aa7f8740347548bfb2f85b1a747bab290d8d6cfc70f2c013ef4012e0a1ce7
Timestamp:
Thursday 27 October 2022 at 09:16:12 UTC
()
Proposer:
Authorizers:
Gas used:
48