tbody><tr><td>Message Name</td><td>MultipleSidecarsWithoutWorkloadSelectors</td></tr><tr><td>Message Code</td><td>IST0111</td></tr><tr><td>Description</td><td>More than one sidecar resource in a namespace has no workload selector</td></tr><tr><td>Level</td><td>Error</td></tr></tbody></table></div><p>This message occurs when more than one Sidecar resource in a namespace does not define any workload selector. This can lead to undefined behavior. See the reference for the <a href=/v1.6/docs/reference/config/ne