Caused by: org.apache.sysml.hops.HopsException: 44 TRead X
at org.apache.sysml.hops.codegen.template.TemplateCell.rConstructCplan(TemplateCell.java:321)
at org.apache.sysml.hops.codegen.template.TemplateCell.rConstructCplan(TemplateCell.java:192)
at org.apache.sysml.hops.codegen.template.TemplateMultiAgg.constructCplan(TemplateMultiAgg.java:89)
at org.apache.sysml.hops.codegen.SpoofCompiler.rConstructCPlans(SpoofCompiler.java:560)
at org.apache.sysml.hops.codegen.SpoofCompiler.rConstructCPlans(SpoofCompiler.java:572)
at org.apache.sysml.hops.codegen.SpoofCompiler.rConstructCPlans(SpoofCompiler.java:572)
at org.apache.sysml.hops.codegen.SpoofCompiler.rConstructCPlans(SpoofCompiler.java:572)
at org.apache.sysml.hops.codegen.SpoofCompiler.optimize(SpoofCompiler.java:364)