package com.anchortab.util;

import com.ecwid.mailchimp.*;

public class Groupings extends MailChimpObject {
  @Field
  public String name;

  @Field
  public String groups;
}

public class MergeVars extends MailChimpObject {
  @Field
  public String FNAME;

  @Field
  public String GROUPINGS;

  public MergeVars() { }

  public MergeVars(String fname) {
    this.FNAME = fname;
  }
}

@@ -256,45 +256,8 @@
 E;%0A%0A
-  @Field%0A  public String GROUPINGS;%0A%0A
   pu

Remove one of the things I did. (No breaky.)