Flow price: --
1f6f16f84c5fdc308c0a00622f3b9e96edb4caeececd2f7757b02b9f94f6ed2e

Transaction

Hash: 1f6f16f84c5fdc308c0a00622f3b9e96edb4caeececd2f7757b02b9f94f6ed2e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f6f16f84c5fdc308c0a00622f3b9e96edb4caeececd2f7757b02b9f94f6ed2e: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:
1f6f16f84c5fdc308c0a00622f3b9e96edb4caeececd2f7757b02b9f94f6ed2e
Status:
ERROR
Block height:
40052308
Block id:
aa5c66e3293033049a13c412b29c02a99939d5ddf6113256d7fbae184f7c14a0
Timestamp:
Monday 31 October 2022 at 14:42:16 UTC
()
Proposer:
Authorizers:
Gas used:
50