Flow price: --
6834fb0e1fb35b0e4d7c40d2dee5b18c9423f59a22a12bc0ae78148a4ecb46c7

Transaction

Hash: 6834fb0e1fb35b0e4d7c40d2dee5b18c9423f59a22a12bc0ae78148a4ecb46c7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6834fb0e1fb35b0e4d7c40d2dee5b18c9423f59a22a12bc0ae78148a4ecb46c7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6834fb0e1fb35b0e4d7c40d2dee5b18c9423f59a22a12bc0ae78148a4ecb46c7
Status:
ERROR
Block height:
39890752
Block id:
fa1a9e1daf7bf210077e4c8c339371a0ee2f163cb2f19d939f2156dc3564f433
Timestamp:
Friday 28 October 2022 at 22:05:58 UTC
()
Proposer:
Authorizers:
Gas used:
50