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SOLUTION: The Illumina SNP data file must be edited before it can be validated by caArray. Specifically, the data table header descriptions in the first row and their corresponding values in the second row must be deleted. An example of this content is shown below:ID_REF GSM302898 must be altered as follows:

  • Original (invalid): "ID_REF VALUE GC_SCORE Theta R B_Allele_Freq Log_R_Ratio

...

  • "
  • Revised (valid): "ID_REF GSM302898 GC_SCORE Theta R B_Allele_Freq Log_R_Ratio"

The revision can be done in any plain text editor such as Windows Notepad. If, after revising the TXT file and attempting to validate it again, you still receive the same error message, check the version of your caArray installation. If you are running v2.3, upgrade to v2.4, then repeat the validation procedure.