How to fix sharepoint list "group by feature" display error

Question

in Sharepoint List, using group by and format view using JSON will show as picture below.

but when using for a while, the group by display text change become picture below. all group became same name. even the sub-group also changed to be the same.

here's the JSON code, i used:

{

"$schema": "https://developer.microsoft.com/json-schemas/sp/v2/row-formatting.schema.json",

"groupProps": {

"hideFooter": true,

"headerFormatter": {

"elmType": "div",

"style": {

"flex-wrap": "wrap",

"display": "flex",

"box-sizing": "border-box",

"padding": "4px 8px 5px 8px",

"border-radius": "6px",

"align-items": "center",

"white-space": "nowrap",

"overflow": "hidden",

"margin": "1px 4px 4px 1px"

},

"attributes": {

"class": "=if(@group.columnDisplayName == 'Project Status', 'sp-css-backgroundColor-BgCornflowerBlue','sp-css-backgroundColor-BgSage')"

},

"children": [

{

"elmType": "div",

"children": [

{

"elmType": "div",

"style": {

"display": "flex",

"flex-direction": "row",

"justify-content": "center"

},

"children": [

{

"elmType": "div",

"style": {

"padding": "5px 5px 5px 5px",

"font-weight": "500",

"display": "=if(@group.columnDisplayName == 'Main Platform', 'flex', 'none')"

},

"txtContent": "@group.fieldData.lookupValue"

},

{

"elmType": "div",

"style": {

"padding": "5px 5px 5px 5px",

"font-weight": "500",

"display": "=if(@group.columnDisplayName == 'Project Status', 'flex', 'none')"

},

"txtContent": "@group.fieldData"

}

]

}

]

},

{

"elmType": "div",

"children": [

{

"elmType": "div",

"style": {

"display": "flex",

"flex-direction": "row",

"justify-content": "center"

},

"children": [

{

"elmType": "div",

"txtContent": "=' (' + @group.count + ')'",

"style": {

"padding": " ",

"font-weight": "500"

}

}

]

}

]

}

]

}

}

}

Answer 1

Whether Project Status is a text column and Main Platform is a look up column?

Except JSON codes, have you done some other settings in the view?

I did a test in my SharePoint list, JSON codes work well.

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