Flow price: --
6862f1b6225ad3a12dad301c1282dbeb397f6ac68d2f8be34dd79a9b545fe28c

Transaction

Hash: 6862f1b6225ad3a12dad301c1282dbeb397f6ac68d2f8be34dd79a9b545fe28c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6862f1b6225ad3a12dad301c1282dbeb397f6ac68d2f8be34dd79a9b545fe28c: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:
6862f1b6225ad3a12dad301c1282dbeb397f6ac68d2f8be34dd79a9b545fe28c
Status:
ERROR
Block height:
40113329
Block id:
91b4438bd5656315f0a433ae23b105f9708ed74e6f2d37bb52701db9d1a7faeb
Timestamp:
Tuesday 1 November 2022 at 15:18:51 UTC
()
Proposer:
Authorizers:
Gas used:
50