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@@ -1642,7 +1642,7 @@ THREE.LegacyGLTFLoader = ( function () {
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if ( ! material.technique ) break;
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if ( ! material.technique ) break;
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- var parameters = json.techniques[ material.technique ].parameters;
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+ var parameters = json.techniques[ material.technique ].parameters || {};
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for( var attributeName in parameters ) {
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for( var attributeName in parameters ) {
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