Flow price: --
d684e7d125efe5dac8e73739edd6efca4e4f0596c6d89d6d059a5928431c56c0

Transaction

Hash: d684e7d125efe5dac8e73739edd6efca4e4f0596c6d89d6d059a5928431c56c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d684e7d125efe5dac8e73739edd6efca4e4f0596c6d89d6d059a5928431c56c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d684e7d125efe5dac8e73739edd6efca4e4f0596c6d89d6d059a5928431c56c0
Status:
ERROR
Block height:
40107378
Block id:
28aea0d07a6b22df9d384959105cef1d78399734825f3b5aa48d59bd35df8694
Timestamp:
Tuesday 1 November 2022 at 12:54:16 UTC
()
Proposer:
Authorizers:
Gas used:
47