Flow price: --
4fa9d75e79b841d2ee81e02ada9ce5cde8a936e366e86dc6f80c2f4b281298af

Transaction

Hash: 4fa9d75e79b841d2ee81e02ada9ce5cde8a936e366e86dc6f80c2f4b281298af
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4fa9d75e79b841d2ee81e02ada9ce5cde8a936e366e86dc6f80c2f4b281298af: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:
4fa9d75e79b841d2ee81e02ada9ce5cde8a936e366e86dc6f80c2f4b281298af
Status:
ERROR
Block height:
40061357
Block id:
6ce6acee4f95cdf1a7a9d5e8834c0db53ec5c0b38c5b7fa14cddf05b2a9fa98b
Timestamp:
Monday 31 October 2022 at 18:22:08 UTC
()
Proposer:
Authorizers:
Gas used:
50