Unable to read when the first file is a .txt inside a rar (.cbr) archive

When the first file of rar (.cbr) archive is a (.txt) file ubooquity is unable to read it.

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rar version tested in 4

20190221 08:29:37 [qtp875313400-776] INFO  com.ubooquity.provider.page.a - Someone is reading L:\test\test02.cbr
20190221 08:29:37 [qtp875313400-776] ERROR com.ubooquity.f.a - Could not get image from file: L:\test\test02.cbr
20190221 08:29:37 [qtp875313400-776] WARN  com.ubooquity.provider.page.a - Could not extract page 0 from document L:\test\test02.cbr (NullPointerException)
20190221 08:29:37 [qtp875313400-794] ERROR com.ubooquity.f.a - Could not get image from file: L:\test\test02.cbr
20190221 08:29:37 [qtp875313400-794] WARN  com.ubooquity.provider.page.a - Could not extract page 1 from document L:\test\test02.cbr (NullPointerException)
20190221 08:29:37 [qtp875313400-789] ERROR com.ubooquity.f.a - Could not get image from file: L:\test\test02.cbr
20190221 08:29:37 [qtp875313400-789] WARN  com.ubooquity.provider.page.a - Could not extract page 2 from document L:\test\test02.cbr (NullPointerException)