Cannot initialize client: no scheme file found

[ivard]

Error visible in the Sentry logging of irmamobile.

String: Cannot initialize client: no scheme file found
  File "*errors.errorString", in Cannot initialize client: no scheme file found
  File "common.go:396", in (0x1050b19f8)
  File "schemes.go:361", in (0x10526c08c)
  File "irmaconfig.go:158", in (0x1052529a4)
  File "common.go:245", in (0x1050b1378)
  File "common.go:225", in (0x10525228c)
  File "irmaconfig.go:145", in (0x10525223d)
  File "irmaconfig.go:229", in (0x105252ccc)
  File "client.go:180", in (0x105287cc4)
  File "bridge.go:152", in (0x1052a8794)
  File "go_irmagobridgemain.go:273", in (0x1052b2080)
  File "unparsed", in _cgo_gotypes.go:363 (0x1052b3368)
  File "cgocall.go:316", in (0x104e4a0c4)
  File "cgocall.go:235", in (0x104e49df8)
  File "asm_arm64.s:1094", in (0x104eab660)
  File "asm_arm64.s:1172", in (0x104eab734)