1. Hello,
   

   Skuid Version: 13.0.11

   
   

   Model that is used for style condition, if the data for that model is changed/edited then an error will be produced. (The XML for a page bellow is set up to reproduce the problem).

   
   

Best,

Lukas

<skuid__page unsavedchangeswarning="yes" personalizationmode="server" showsidebar="true" showheader="true">

<models>

<model id="UIModel" limit="20" query="true" createrowifnonefound="false" datasource="Ui-Only">

    <fields>

        <field id="NewField" displaytype="TEXT" length="255"/>

        <field id="NewField1" displaytype="TEXT" length="255"/>

    </fields>

    <conditions/>

    <actions/>

</model>

<model id="UIModel2" limit="20" query="true" createrowifnonefound="true" datasource="Ui-Only">

    <fields>

        <field id="NewField" displaytype="TEXT" length="255"/>

        <field id="NewField1" displaytype="TEXT" length="255"/>

    </fields>

    <conditions/>

    <actions/>

</model>

</models>

<components>

<skuid__text contents="Reproduce Error:

&#10;- Add a new row with data, and then remove the data. Console will show an error:&amp;nbsp;&amp;nbsp;Cannot read property &amp;#39;unsubscribe&amp;#39; of undefined

&#10;- UI Setup: attach style conditions, particularly Formulas.

&#10;- This also happens if the row is deleted, or data in first column gets changed

&#10;- Only tested with UI Models, might be happening with SF Models and other type of conditions.

&#10;

&#10;After this error was produced once it will keeping produced - don&amp;#39;t why it keeps throwing it." uniqueid="sk-qwe-52243"/>

<skuid__table allowColumnFreezing="dragDrop" model="UIModel2" uniqueid="sk-m5Y-9209" mode="edit" pageSize="10">

    <fields>

        <field id="NewField" uniqueid="fi-m5e-15356"/>

        <field id="NewField1" uniqueid="fi-qwx-56012"/>

    </fields>

    <filtering enableSearch="false"/>

    <rowActions>

        <action type="multi" label="Delete">

            <actions>

                <action type="markRowsForDeletion" model="UIModel2" affectedrows="context"/>

            </actions>

        </action>

    </rowActions>

    <massActions/>

    <actions>

        <action type="multi" label="Add">

            <actions>

                <action type="createRow" model="UIModel2" appendorprepend="prepend" defaultmodefornewitems="edit" affectedrows="all"/>

            </actions>

        </action>

    </actions>

    <styles>

        <spacing/>

    </styles>

</skuid__table>

<skuid__deck columnGutter=".75em" rowGutter=".75em" model="UIModel2" showSaveCancel="false" verticalAlign="top" minWidth="350px" uniqueid="sk-m6A-18996" title="Deck">

    <components>

        <skuid__text contents="<strong>Text Component:</strong>

&#10;test1234 {{NewField}}" uniqueid="sk-m4y-2145" model="UIModel2">

            <renderConditions logictype="and"/>

            <styleVariantConditions>

                <rule logictype="and" styleSettingsVariantOverride="gigantic">

                    <condition type="fieldvalue" enclosevalueinquotes="true" fieldmodel="UIModel2" sourcetype="fieldvalue" nosourcerowbehavior="deactivate" sourceproperty="isNew" operator="=" field="NewField" value="Test2"/>

                </rule>

            </styleVariantConditions>

            <styles>

                <spacing bottom="3"/>

            </styles>

            <conditions>

                <condition type="contextrow" field="Id" mergefield="Id" operator="="/>

            </conditions>

        </skuid__text>

        <skuid__form showErrorsInline="true" model="UIModel2" uniqueid="sk-m6R-21377" mode="read">

            <sections>

                <section title="Form Component" showHeading="true">

                    <rows>

                        <row>

                            <fields>

                                <skuid__field id="NewField" uniqueId="sk-m6Z-25997">

                                    <renderConditions logictype="and" onhidedatabehavior="keep"/>

                                    <enableConditions/>

                                    <styleVariantConditions>

                                        <rule logictype="and">

                                            <condition type="formula" operator="=" fieldmodel="UIModel2" sourcetype="fieldvalue" field="NewField" value="" enclosevalueinquotes="true">

                                                <formula>C__Value({{NewField}})</formula>

                                            </condition>

                                        </rule>

                                    </styleVariantConditions>

                                </skuid__field>

                                <skuid__field id="NewField1" uniqueId="sk-qrY-43919">

                                    <renderConditions logictype="and" onhidedatabehavior="keep"/>

                                    <enableConditions/>

                                    <styleVariantConditions>

                                        <rule logictype="and">

                                            <condition type="formula" operator="=" fieldmodel="UIModel2" sourcetype="fieldvalue" field="NewField" value="" enclosevalueinquotes="true">

                                                <formula>C__Value({{NewField}})</formula>

                                            </condition>

                                        </rule>

                                    </styleVariantConditions>

                                </skuid__field>

                            </fields>

                        </row>

                    </rows>

                </section>

            </sections>

            <conditions>

                <condition type="contextrow" field="Id" mergefield="Id" operator="="/>

            </conditions>

        </skuid__form>

    </components>

    <filtering enableSearch="false"/>

</skuid__deck>

</components>

<resources>

    <labels/>

    <javascript>

<jsitem location="formulafunction" name="newFormulaFunction" cachelocation="false" url="">const utils = skuid.utils;

const {

    DISPLAY_TYPES: {

        NUMBER,

        STRING,

    }

} = skuid.constants;

// Register a new formula function named C__REPEAT for use in the runtime

new skuid.formula.FormulaFunction(

    "Value",

    function( fieldValue) {

        console.log(fieldValue);

        return fieldValue

    },

);</jsitem>

</javascript>

    <css/>

    <actionsequences/>

</resources>

<styles>

    <styleitem type="background" bgtype="none"/>

</styles>

</skuid__page>