Repository: stable-diffusion-webui
Issue: [Bug]: RuntimeError: "LayerNormKernelImpl" not implemented for 'Half'
Labels: bug-report

### Is there an existing issue for this?

- [X] I have searched the existing issues and checked the recent builds/commits

### What happened?

I try to generate an image using txt2img and it keeps responding with RuntimeError: "LayerNormKernelImpl" not implemented for 'Half'

### Steps to reproduce the problem

1. Go to stable diffusion webui
2. Press generate



### What should have happened?

generate image

### Commit where the problem happens

a9fed7c

### What platforms do you use to access the UI ?

MacOS

### What browsers do you use to access the UI ?

Google Chrome

### Command Line Arguments

```Shell
set COMMANDLINE_ARGS==--skip-torch-cuda-test --precision full --no-half
```


### List of extensions

no

### Console logs

```Shell
Error completing request
Arguments: ('task(6shqb1d4qetl6ts)', 'a beautifule chinese girl', '', [], 20, 0, False, False, 1, 1, 7, -1.0, -1.0, 0, 0, 0, False, 512, 512, False, 0.7, 2, 'Latent', 0, 0, 0, [], 0, False, False, 'positive', 'comma', 0, False, False, '', 1, '', 0, '', 0, '', True, False, False, False, 0) {}
Traceback (most recent call last):
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/call_queue.py", line 56, in f
    res = list(func(*args, **kwargs))
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/call_queue.py", line 37, in f
    res = func(*args, **kwargs)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/txt2img.py", line 56, in txt2img
    processed = process_images(p)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/processing.py", line 486, in process_images
    res = process_images_inner(p)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/processing.py", line 625, in process_images_inner
    uc = get_conds_with_caching(prompt_parser.get_learned_conditioning, negative_prompts, p.steps, cached_uc)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/processing.py", line 570, in get_conds_with_caching
    cache[1] = function(shared.sd_model, required_prompts, steps)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/prompt_parser.py", line 140, in get_learned_conditioning
    conds = model.get_learned_conditioning(texts)
  File "/Users/chengqiangyi/stable-diffusion-webui/repositories/stable-diffusion-stability-ai/ldm/models/diffusion/ddpm.py", line 669, in get_learned_conditioning
    c = self.cond_stage_model(c)
  File "/Users/chengqiangyi/stable-diffusion-webui/venv/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1130, in _call_impl
    return forward_call(*input, **kwargs)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/sd_hijack_clip.py", line 229, in forward
    z = self.process_tokens(tokens, multipliers)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/sd_hijack_clip.py", line 254, in process_tokens
    z = self.encode_with_transformers(tokens)
  File "/Users/chengqiangyi/stable-diffusion-webui/modules/sd_hijack_open_clip.py", line 28, in encode_with_transformers
    z = self.wrapped.encode_with_transformer(tokens)
  File "/Users/chengqiangyi/stable-diffusion-webui/repositories/stable-diffusion-stability-ai/ldm/modules/encoders/modules.py", line 177, in encode_with_transformer
    x = self.text_transformer_forward(x, attn_mask=self.model.attn_mask)
  File "/Users/chengqiangyi/stable-diffusion-webui/repositories/stable-diffusion-stability-ai/ldm/modules/encoders/modules.py", line 189, in text_transformer_forward
    x = r(x, attn_mask=attn_mask)
  File "/Users/chengqiangyi/stable-diffusion-webui/venv/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1130, in _call_impl
    return forward_call(*input, **kwargs)
  File "/Users/chengqiangyi/stable-diffusion-webui/venv/lib/python3.10/site-packages/open_clip/transformer.py", line 154, in forward
    x = x + self.ls_1(self.attention(self.ln_1(x), attn_mask=attn_mask))
  File "/Users/chengqiangyi/stable-diffusion-webui/venv/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1130, in _call_impl
    return forward_call(*input, **kwargs)
  File "/Users/chengqiangyi/stable-diffusion-webui/venv/lib/python3.10/site-packages/open_clip/transformer.py", line 27, in forward
    x = F.layer_norm(x, self.normalized_shape, self.weight, self.bias, self.eps)
  File "/Users/chengqiangyi/stable-diffusion-webui/venv/lib/python3.10/site-packages/torch/nn/functional.py", line 2503, in layer_norm
    return torch.layer_norm(input, normalized_shape, weight, bias, eps, torch.backends.cudnn.enabled)
RuntimeError: "LayerNormKernelImpl" not implemented for 'Half'
```


### Additional information

_No response_