Parsing error during node rack updation

[Vivekvar23]

Error: Updating node rack info failed with error: ResultCode: PARSE_ERROR, Iteration: 0, InDoubt: false, Node: <nil>: Parse error strconv.Atoi: parsing "rack_1": invalid syntax (racks: ns=test:rack_1=1A1,1A0:rack_2=4A0:roster_rack_1=1A1,1A0:roster_rack_2=4A0;ns=flowdb:rack_1=1A1,1A0:rack_2=4A0:roster_rack_1=1A1,1A0:roster_rack_2=4A0)

Client Version: v7.8.0
Server Version: 7.0.0.14

Error occurs from file: aerospike/aerospike-client-go/v7/node.go
Function: updateRackInfo

Show racks output on server side:

Namespace|Rack|  Nodes |  ID|       
flowdb   |   1|1A1,1A0
flowdb   |   2|4A0    
test     |   1|1A1,1A0
test     |   2|4A0    
Number of rows: 4