Rebuilding Rig stalls on "Generating Root Nodes"

With ( Beta_2023_04_24 ) the progress bar stalls on Generating Root Nodes. When looking at the script editor I get this error: MAIN CONTROL STYLE NODES

# Traceback (most recent call last):

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\gui\main_tabs_generate_rig.py", line 618, in <lambda>

# self.rebuild_rig_button.clicked.connect(lambda *args: self.rebuild_rig_checks())

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\gui\main_tabs_generate_rig.py", line 656, in rebuild_rig_checks

# rebuild_rig.rebuild_rig(rig_top_node, joint_rot_override, preserve_skinning, reuse_ctrl_shapes,

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\control_rig\rig_post_build\rebuild_rig.py", line 192, in rebuild_rig

# _build_rig.build_rig(rig_data_obj, silent=True)

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\control_rig\_build_rig.py", line 118, in build_rig

# rig_data_obj.root_parent_ctrl = root_nodes.build(rig_data_obj.cog_ctrl)

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\control_rig\build_root.py", line 40, in build

# root_parent_ctrl_obj.create_ctrl()

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\control_rig\control_shapes\root_shapes.py", line 34, in create_ctrl

# self.post_shape_build_operations()

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\control_rig\control_shapes\shared_shapes.py", line 75, in post_shape_build_operations

# self.connect_to_proximity_attr()

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\control_rig\control_shapes\shared_shapes.py", line 201, in connect_to_proximity_attr

# add_set_attrs.connect_attr(f'{self.rig_name}Main{self.ctrl_suffix}', 'rig_proximity_visibility',

# File "C:\ProgramData/Autodesk/ApplicationPlugins\rrm3\Contents\scripts\add_set_attrs.py", line 289, in connect_attr

# connection_already_exists = cmds.isConnected(f'{source_obj}.{source_attr}', f'{target_obj}.{target_attr}')

# ValueError: No object matches name: Main_Ctrl.rig_proximity_visibility