Flow price: --
9271914ec567956877cfb85d4d1aaa21dfb8a4503742fc03b7eee28cc4183a57

Transaction

Hash: 9271914ec567956877cfb85d4d1aaa21dfb8a4503742fc03b7eee28cc4183a57
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9271914ec567956877cfb85d4d1aaa21dfb8a4503742fc03b7eee28cc4183a57:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9271914ec567956877cfb85d4d1aaa21dfb8a4503742fc03b7eee28cc4183a57
Status:
ERROR
Block height:
39862819
Block id:
b79807bd2fbc4c6788657592f7b411e23b48518d3f3f425fcdc8384b44c3ca9b
Timestamp:
Friday 28 October 2022 at 10:56:39 UTC
()
Proposer:
Authorizers:
Gas used:
51