Flow price: --
83215b9b0d0e9d494474955751ee6a7f9ca9356290861b65633f297ec2c15ef3

Transaction

Hash: 83215b9b0d0e9d494474955751ee6a7f9ca9356290861b65633f297ec2c15ef3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 83215b9b0d0e9d494474955751ee6a7f9ca9356290861b65633f297ec2c15ef3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
83215b9b0d0e9d494474955751ee6a7f9ca9356290861b65633f297ec2c15ef3
Status:
ERROR
Block height:
40044688
Block id:
cb881f1bbd1f36d3af607dec00e0f87013da382a07a553c5b13924aa94b8d726
Timestamp:
Monday 31 October 2022 at 11:37:35 UTC
()
Proposer:
Authorizers:
Gas used:
47