Flow price: --
b6e79f2fb268ebd6c6549f0ffb7286736da07b0d0a9cdf96b7d2ffcb3f3cdde7

Transaction

Hash: b6e79f2fb268ebd6c6549f0ffb7286736da07b0d0a9cdf96b7d2ffcb3f3cdde7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6e79f2fb268ebd6c6549f0ffb7286736da07b0d0a9cdf96b7d2ffcb3f3cdde7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6e79f2fb268ebd6c6549f0ffb7286736da07b0d0a9cdf96b7d2ffcb3f3cdde7
Status:
ERROR
Block height:
40162143
Block id:
7b16f283d0494299c1a46302cf44c2d619941204a80f52b55fc02a2c991825a7
Timestamp:
Wednesday 2 November 2022 at 11:10:28 UTC
()
Proposer:
Authorizers:
Gas used:
48