Flow price: --
747e2d5c88f476f25d695fb8bd856d2caa80694544c49cfa598e960995dc2830

Transaction

Hash: 747e2d5c88f476f25d695fb8bd856d2caa80694544c49cfa598e960995dc2830
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 747e2d5c88f476f25d695fb8bd856d2caa80694544c49cfa598e960995dc2830:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
747e2d5c88f476f25d695fb8bd856d2caa80694544c49cfa598e960995dc2830
Status:
ERROR
Block height:
39853450
Block id:
e707a464b6e21c70cd3d37da3ec2c178907c14e4642ddfb2078a058aa8c30efc
Timestamp:
Friday 28 October 2022 at 07:10:13 UTC
()
Proposer:
Authorizers:
Gas used:
49