Flow price: --
533141b712a9e395476d18e77bbb1f78f93e7ad1beb26eb2d568ae8a79ea7fa2

Transaction

Hash: 533141b712a9e395476d18e77bbb1f78f93e7ad1beb26eb2d568ae8a79ea7fa2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 533141b712a9e395476d18e77bbb1f78f93e7ad1beb26eb2d568ae8a79ea7fa2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
533141b712a9e395476d18e77bbb1f78f93e7ad1beb26eb2d568ae8a79ea7fa2
Status:
ERROR
Block height:
40113360
Block id:
3253ef27990e0a361cac909222413008d9a05deb23b5e3959980966efeb5c7ab
Timestamp:
Tuesday 1 November 2022 at 15:19:34 UTC
()
Proposer:
Authorizers:
Gas used:
46