@ -17,7 +17,7 @@ This is a generalized solution to the problem of modular plumbing, and should al
module.exports = function createVersionedSpecialMatcher({ markerProperty, versionProperty, friendlyName, expectedVersions }) {
return function isSpecial(value) {
if (value[markerProperty]) {
if (value != null && value[markerProperty]) {
if (expectedVersions.includes(value[versionProperty])) {
return true;
} else {