As with the forumlas, textTemplates are borkng when there are HTML entities in the textTemplates
Example;
<textTemplates>
<name>MSTeamError</name>
<isViewedAsPlainText>false</isViewedAsPlainText>
<text><p><strong style="color: rgb(255, 0, 0);">The following error occurred when the job ran in Org - {!CurrentOrgId}: </strong></p><p>{!$Flow.FaultMessage}</p></text>
</textTemplates>
As with the forumlas, textTemplates are borkng when there are HTML entities in the textTemplates
Example;