Current variant or group ids are of form chrCHR_POS_REF_ALT, e.g. 'chr1_100001_A_T'. This is not in line with other data, where identifiers such as 'CHR:POS:REF:ALT' and 'CHR-POS-REF-ALT' are being used.
Determine the proper identifier and replace current identifier format with that.
Current variant or group ids are of form chrCHR_POS_REF_ALT, e.g. 'chr1_100001_A_T'. This is not in line with other data, where identifiers such as 'CHR:POS:REF:ALT' and 'CHR-POS-REF-ALT' are being used.
Determine the proper identifier and replace current identifier format with that.