Flow price: --
2c454b425bcad6e63f51750f6ecdd7de302e326aebad0d19249ac9bed96fdd61

Transaction

Hash: 2c454b425bcad6e63f51750f6ecdd7de302e326aebad0d19249ac9bed96fdd61
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2c454b425bcad6e63f51750f6ecdd7de302e326aebad0d19249ac9bed96fdd61:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2c454b425bcad6e63f51750f6ecdd7de302e326aebad0d19249ac9bed96fdd61
Status:
ERROR
Block height:
39989608
Block id:
d90d205d165d970c4ae2437b1565e52cdb04f296b8c2d819a58421a8956c4c8b
Timestamp:
Sunday 30 October 2022 at 13:36:28 UTC
()
Proposer:
Authorizers:
Gas used:
50