The E67 error on a Brother embroidery machine typically indicates a problem with the embroidery arm or frame. Here are some steps you can take to fix the issue:

1. Turn off the machine and unplug it from the power source. Wait for a few minutes before plugging it back in and turning it on again. This can reset the machine and clear any temporary glitches.
2. Check the embroidery frame. Make sure the frame is properly attached and inserted into the embroidery arm. Make sure there are no obstructions or tangles in the frame’s thread path.
3. Check the embroidery arm. Make sure the arm is clean and free from any debris or dust. If it appears to be damaged, it may need to be replaced.
4. Check the machine for any signs of damage or wear. If any parts appear to be damaged or worn, they may need to be replaced.
5. Check the embroidery design. Make sure the design is not too large for the embroidery frame. If the design is too large, it may need to be resized or broken into smaller sections.

If these steps do not solve the E67 error, it may indicate a more serious problem with the embroidery arm, frame, or the machine’s internal components. In this case, it is best to contact a qualified technician or the manufacturer for assistance.