Flow price: --
d2620a86ba91a98e46a4daac8134ae56cdf8652af64ca1f9c431e0d935042c67

Transaction

Hash: d2620a86ba91a98e46a4daac8134ae56cdf8652af64ca1f9c431e0d935042c67
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d2620a86ba91a98e46a4daac8134ae56cdf8652af64ca1f9c431e0d935042c67:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d2620a86ba91a98e46a4daac8134ae56cdf8652af64ca1f9c431e0d935042c67
Status:
ERROR
Block height:
40127314
Block id:
8bb826311879c2526b9a3d038c7153576089158448445cff56258958991991ad
Timestamp:
Tuesday 1 November 2022 at 21:00:16 UTC
()
Proposer:
Authorizers:
Gas used:
46