I also posted this on their page to

The mod Blueprint Sandboxes (3.2.2) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event blueprint-sandboxes::on_lua_shortcut (ID 42)
The mod Blueprint Sandboxes (3.2.2) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event blueprint-sandboxes::on_surface_created (ID 70)
The mod dangOreus (2.0.5) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event dangOreus::on_chunk_generated (ID 16)
dangOreus/control.lua:585: attempt to index field '?' (a nil value)
stack traceback:
dangOreus/control.lua:585: in function 'get_random_ore'
dangOreus/control.lua:124: in function 'gOre'
dangOreus/control.lua:629: in function <dangOreus/control.lua:627>
stack traceback:
[C]: in function 'force_generate_chunk_requests'
blueprint-sandboxes/scripts/equipment.lua:69: in function 'Prepare'
blueprint-sandboxes/scripts/equipment.lua:35: in function 'Place'
blueprint-sandboxes/scripts/lab.lua:197: in function 'Equip'
blueprint-sandboxes/control.lua:149: in function <blueprint-sandboxes/control.lua:140>
stack traceback:
[C]: in function 'create_surface'
blueprint-sandboxes/scripts/lab.lua:72: in function <blueprint-sandboxes/scripts/lab.lua:50>
(...tail calls...)
blueprint-sandboxes/scripts/sandbox.lua:133: in function 'View'
blueprint-sandboxes/scripts/sandbox.lua:608: in function 'Toggle'
blueprint-sandboxes/scripts/toggle-gui.lua:233: in function <blueprint-sandboxes/scripts/toggle-gui.lua:231>