Error creating fragment phong shader on iOS

Trying to render a Sphere on iOS throws a runtime exception with the following error messages:

Shader compile log: ERROR: 0:79: '' : syntax error: #extension must always be before any non-preprocessor tokens
ERROR: 0:138: '' : syntax error: #extension must always be before any non-preprocessor tokens
ERROR: 0:194: '' : syntax error: #extension must always be before any non-preprocessor tokens
'' : syntax error: #extension must always be before any non-preprocessor tokens

java.lang.RuntimeException: Error creating fragment shader
at com.sun.prism.es2.ES2Shader.createFromSource(ES2Shader.java:141)
at com.sun.prism.es2.ES2PhongShader.getShader(ES2PhongShader.java:177)
  at com.sun.prism.es2.ES2Context.getPhongShader(ES2Context.java:142)
  at com.sun.prism.es2.ES2Context.renderMeshView(ES2Context.java:471)
at com.sun.prism.es2.ES2MeshView.render(ES2MeshView.java:119)