Flow price: --
6e72be182f2e956159363f26ff4d2546186f5f15a111bdb669c1ede4b498f923

Transaction

Hash: 6e72be182f2e956159363f26ff4d2546186f5f15a111bdb669c1ede4b498f923
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6e72be182f2e956159363f26ff4d2546186f5f15a111bdb669c1ede4b498f923:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6e72be182f2e956159363f26ff4d2546186f5f15a111bdb669c1ede4b498f923
Status:
ERROR
Block height:
40123859
Block id:
4775efb023e92eaf5f2858ee8be3915544be9e98c9705583afc5cf855cee08ff
Timestamp:
Tuesday 1 November 2022 at 19:35:07 UTC
()
Proposer:
Authorizers:
Gas used:
48