Rnbeads error - The supplied identifiers column is not found or is not suitable

Question

[Amy]

Hi,

I keep getting this error for Rnbeads

Could anyone please advise? I have put together idats and sample annotation files from two different companies. Both ran okay on their own but now I have combined I cant get rid of this error

Thanks in advance

> rnb.initialize.reports(report.dir)
[1] TRUE
> #start analysis now
> data.source <- c(idat.dir, sample.annotation)
> #import data
> result <- rnb.run.import(data.source=data.source, data.type="infinium.idat.dir", dir.reports=report.dir)
2021-11-03 11:44:36     1.9  STATUS             STARTED Loading Data
2021-11-03 11:44:36     1.9    INFO                 Number of cores: 1
2021-11-03 11:44:36     1.9    INFO                 Loading data of type "infinium.idat.dir"
2021-11-03 11:44:36     1.9  STATUS                 STARTED Loading Data from IDAT Files
2021-11-03 11:44:36     1.9    INFO                     Added column barcode to the provided sample annotation table
2021-11-03 11:44:42     1.9    INFO                     Detected platform: MethylationEPIC
2021-11-03 11:55:12    32.0  STATUS                 COMPLETED Loading Data from IDAT Files
2021-11-03 11:57:30    62.9 WARNING                 The supplied identifiers column is not found or is not suitable
2021-11-03 11:57:30    62.9 WARNING                 The supplied identifiers column is not found or is not suitable

Answer 1

[Sergio]

Probably this is too late, but the most likely reason for that error is that when joining both sample annotation files, some sample names were duplicated.