Flow price: --
56397da55298a15158cbd5b2edad93e3fbd8f5c51c07283188a951be18f9b8c0

Transaction

Hash: 56397da55298a15158cbd5b2edad93e3fbd8f5c51c07283188a951be18f9b8c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 56397da55298a15158cbd5b2edad93e3fbd8f5c51c07283188a951be18f9b8c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
56397da55298a15158cbd5b2edad93e3fbd8f5c51c07283188a951be18f9b8c0
Status:
ERROR
Block height:
39978819
Block id:
524a8349154dd1679c8da841bfe08130115b20b255a26d2b3f24c0a38f1c7156
Timestamp:
Sunday 30 October 2022 at 09:17:36 UTC
()
Proposer:
Authorizers:
Gas used:
46