`Epoch 1/100

InvalidArgumentError Traceback (most recent call last)
in <cell line: 1>()
—-> 1 model.fit(
2 train_generator,
3 steps_per_epoch=train_generator.samples ,
4 epochs=100,
5 validation_data=val_generator,

1 frames
/usr/local/lib/python3.10/dist-packages/tensorflow/python/eager/execute.py in quick_execute(op_name, num_outputs, inputs, attrs, ctx, name)
51 try:
52 ctx.ensure_initialized()
—> 53 tensors = pywrap_tfe.TFE_Py_Execute(ctx._handle, device_name, op_name,
54 inputs, attrs, num_outputs)
55 except core._NotOkStatusException as e:

InvalidArgumentError: Graph execution error:

Detected at node while/MatMul defined at (most recent call last):
File “/usr/lib/python3.10/runpy.py”, line 196, in _run_module_as_main

File “/usr/lib/python3.10/runpy.py”, line 86, in _run_code

File “/usr/local/lib/python3.10/dist-packages/colab_kernel_launcher.py”, line 37, in

File “/usr/local/lib/python3.10/dist-packages/traitlets/config/application.py”, line 992, in launch_instance

File “/usr/local/lib/python3.10/dist-packages/ipykernel/kernelapp.py”, line 619, in start

File “/usr/local/lib/python3.10/dist-packages/tornado/platform/asyncio.py”, line 195, in start

File “/usr/lib/python3.10/asyncio/base_events.py”, line 603, in run_forever

File “/usr/lib/python3.10/asyncio/base_events.py”, line 1909, in _run_once

File “/usr/lib/python3.10/asyncio/events.py”, line 80, in _run

File “/usr/local/lib/python3.10/dist-packages/tornado/ioloop.py”, line 685, in

File “/usr/local/lib/python3.10/dist-packages/tornado/ioloop.py”, line 738, in _run_callback

File “/usr/local/lib/python3.10/dist-packages/tornado/gen.py”, line 825, in inner

File “/usr/local/lib/python3.10/dist-packages/tornado/gen.py”, line 786, in run

File “/usr/local/lib/python3.10/dist-packages/ipykernel/kernelbase.py”, line 361, in process_one

File “/usr/local/lib/python3.10/dist-packages/tornado/gen.py”, line 234, in wrapper

File “/usr/local/lib/python3.10/dist-packages/ipykernel/kernelbase.py”, line 261, in dispatch_shell

File “/usr/local/lib/python3.10/dist-packages/tornado/gen.py”, line 234, in wrapper

File “/usr/local/lib/python3.10/dist-packages/ipykernel/kernelbase.py”, line 539, in execute_request

File “/usr/local/lib/python3.10/dist-packages/tornado/gen.py”, line 234, in wrapper

File “/usr/local/lib/python3.10/dist-packages/ipykernel/ipkernel.py”, line 302, in do_execute

File “/usr/local/lib/python3.10/dist-packages/ipykernel/zmqshell.py”, line 539, in run_cell

File “/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py”, line 2975, in run_cell

File “/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py”, line 3030, in _run_cell

File “/usr/local/lib/python3.10/dist-packages/IPython/core/async_helpers.py”, line 78, in _pseudo_sync_runner

File “/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py”, line 3257, in run_cell_async

File “/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py”, line 3473, in run_ast_nodes

File “/usr/local/lib/python3.10/dist-packages/IPython/core/interactiveshell.py”, line 3553, in run_code

File “”, line 1, in <cell line: 1>

File “/usr/local/lib/python3.10/dist-packages/keras/src/utils/traceback_utils.py”, line 65, in error_handler

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/training.py”, line 1807, in fit

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/training.py”, line 1401, in train_function

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/training.py”, line 1384, in step_function

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/training.py”, line 1373, in run_step

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/training.py”, line 1150, in train_step

File “/usr/local/lib/python3.10/dist-packages/keras/src/utils/traceback_utils.py”, line 65, in error_handler

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/training.py”, line 590, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/utils/traceback_utils.py”, line 65, in error_handler

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/base_layer.py”, line 1149, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/utils/traceback_utils.py”, line 96, in error_handler

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/sequential.py”, line 398, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/functional.py”, line 515, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/functional.py”, line 672, in _run_internal_graph

File “/usr/local/lib/python3.10/dist-packages/keras/src/layers/rnn/base_rnn.py”, line 556, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/utils/traceback_utils.py”, line 65, in error_handler

File “/usr/local/lib/python3.10/dist-packages/keras/src/engine/base_layer.py”, line 1149, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/utils/traceback_utils.py”, line 96, in error_handler

File “/usr/local/lib/python3.10/dist-packages/keras/src/layers/rnn/lstm.py”, line 749, in call

File “/usr/local/lib/python3.10/dist-packages/keras/src/layers/rnn/lstm.py”, line 1339, in lstm_with_backend_selection

File “/usr/local/lib/python3.10/dist-packages/keras/src/layers/rnn/lstm.py”, line 981, in standard_lstm

File “/usr/local/lib/python3.10/dist-packages/keras/src/backend.py”, line 5168, in rnn

File “/usr/local/lib/python3.10/dist-packages/keras/src/backend.py”, line 5147, in _step

File “/usr/local/lib/python3.10/dist-packages/keras/src/layers/rnn/lstm.py”, line 967, in step

File “/usr/local/lib/python3.10/dist-packages/keras/src/backend.py”, line 2463, in dot

Matrix size-incompatible: In[0]: [1,0], In[1]: [4608,256]
[[{{node while/MatMul}}]]
[[sequential_12/lstm_16/PartitionedCall]] [Op:__inference_train_function_37020]`