Flow price: --
ddb1f0267fba7282e1e50e37f08cb99214d172059c8b75c7d94defae17167e28

Transaction

Hash: ddb1f0267fba7282e1e50e37f08cb99214d172059c8b75c7d94defae17167e28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ddb1f0267fba7282e1e50e37f08cb99214d172059c8b75c7d94defae17167e28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ddb1f0267fba7282e1e50e37f08cb99214d172059c8b75c7d94defae17167e28
Status:
ERROR
Block height:
39856876
Block id:
9e558b56734f756ea677190c5090d7535c124b46e5d11c2a9b39de9683f781a0
Timestamp:
Friday 28 October 2022 at 08:33:39 UTC
()
Proposer:
Authorizers:
Gas used:
46