We were not able to parse, find, or, register allele using XP_005273887.1:p.[Met253_Arg263delinsSerCysSerArgSerLeuProTrpAlaCysGlu HGVS expression or CA Identifier.

The following information might be helpful to understand the reason.

Type of the error: HgvsParsingError

Explanation: The character ']' was expected but the end of expression was reached