Flow price: --
b2f5e08f928f939ab7eeaa474a17dab6bca08573bf144150c61d7aeeaad6f9f8

Transaction

Hash: b2f5e08f928f939ab7eeaa474a17dab6bca08573bf144150c61d7aeeaad6f9f8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2f5e08f928f939ab7eeaa474a17dab6bca08573bf144150c61d7aeeaad6f9f8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b2f5e08f928f939ab7eeaa474a17dab6bca08573bf144150c61d7aeeaad6f9f8
Status:
ERROR
Block height:
39799724
Block id:
0bbc1feb47d9523f8b0a9d9b5017cce69f544ba3f60f441b359f2d83346ce07c
Timestamp:
Thursday 27 October 2022 at 09:29:02 UTC
()
Proposer:
Authorizers:
Gas used:
46