Flow price: --
81f477f354f5a87530dd410684623863573e317fcb8a5d0263b3a2a6e8eec743

Transaction

Hash: 81f477f354f5a87530dd410684623863573e317fcb8a5d0263b3a2a6e8eec743
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81f477f354f5a87530dd410684623863573e317fcb8a5d0263b3a2a6e8eec743:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
81f477f354f5a87530dd410684623863573e317fcb8a5d0263b3a2a6e8eec743
Status:
ERROR
Block height:
40095596
Block id:
3375d5585501ef30a6918e0ce74bf8d2e82a09da8c793534cb1a914c49a869d1
Timestamp:
Tuesday 1 November 2022 at 08:08:02 UTC
()
Proposer:
Authorizers:
Gas used:
47