AutoLabel.KnownMarkers returns only 1 cluster, when AutoLabelTop.logFC(res = res) : Not all clusters returned DE-genes!

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Describe the bug AutoLabelTop.logFC(res = res) : Not all clusters returned DE-genes!

Expected behavior Make up names for missing

Additional context

> combined.obj <- StoreAllMarkers(df_markers = df.markers, res = res)
[1] "DF markers are stored under: obj@misc$df.markers$ res.0.3"
>       combined.obj <- AutoLabelTop.logFC(res = res);
Adding missing grouping variables: `cluster`
[1] "missing: cl.names.KnownMarkers.0.3"
[1] "top.markers-umap/"
[1] "All files will be saved under 'NewOutDir':  ~/Dropbox/Abel.IMBA/AnalysisD/SEO/scTE.retrotransposon.analysis.test.CON.sc/top.markers-umap/"
[1] "ParentDir was defined as: ~/Dropbox/Abel.IMBA/AnalysisD/SEO/scTE.retrotransposon.analysis.test.CON.sc/Differential.Gene.expression/res.0.3/"
[1] "ParentDir will be: ~/Dropbox/Abel.IMBA/AnalysisD/SEO/scTE.retrotransposon.analysis.test.CON.sc/"
[1] "Call *create_set_Original_OutDir()* when chaning back to the main dir."
[1] "1 or 6.67 % genes not found in the data, e.g: cl.names.KnownMarkers.0.3"
[1] "layout active, nr.Col ignored."
[1] "1 LTR7 AC009133.6 AP000812.5"
[1] "2 COL3A1 DLX6-AS1 VIM TXNDC5"
[1] "3 STMN2 L4-C-Mam CCNI"
[1] "4 MT-TF PTN AC020613.1"
[1] "All files will be saved under 'OutDir':  ~/Dropbox/Abel.IMBA/AnalysisD/SEO/scTE.retrotransposon.analysis.test.CON.sc/"
5.736 sec elapsed
Warning message:
In AutoLabelTop.logFC(res = res) : Not all clusters returned DE-genes!