Flow price: --
d70f0be840506a53b2f7100b70c6c2e56bb07b06f8102e35fb26c79b37ca4d98

Transaction

Hash: d70f0be840506a53b2f7100b70c6c2e56bb07b06f8102e35fb26c79b37ca4d98
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d70f0be840506a53b2f7100b70c6c2e56bb07b06f8102e35fb26c79b37ca4d98:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d70f0be840506a53b2f7100b70c6c2e56bb07b06f8102e35fb26c79b37ca4d98
Status:
ERROR
Block height:
40025171
Block id:
0a02ebf0ee6d88e1c26cd1464d47eb2e7303fe0105da68a55d31a48cb9b39d98
Timestamp:
Monday 31 October 2022 at 03:46:12 UTC
()
Proposer:
Authorizers:
Gas used:
49