[Err msg] optimize kernel call error message (#44001)

paddle/fluid/imperative/prepared_operator.h

@@ -257,27 +257,33 @@ void BuildDygraphPhiKernelContext(const phi::KernelSignature& kernel_signature,
   auto& output_defs = phi_kernel.args_def().output_defs();
   auto& attr_defs = phi_kernel.args_def().attribute_defs();
 
-  PADDLE_ENFORCE_EQ(input_names.size(),
+  PADDLE_ENFORCE_EQ(
+      input_names.size(),
       input_defs.size(),
       platform::errors::InvalidArgument(
-                        "the size of inputs_args names (%d) must be equal to "
+          "Op %s: the size of inputs_args names (%d) must be equal to "
           "the size of kernel input_defs (%d).",
+          kernel_signature.name,
           input_names.size(),
           input_defs.size()));
 
-  PADDLE_ENFORCE_EQ(output_names.size(),
+  PADDLE_ENFORCE_EQ(
+      output_names.size(),
       output_defs.size(),
       platform::errors::InvalidArgument(
-                        "the size of outputs_args names (%d) must be equal to "
+          "Op %s: the size of outputs_args names (%d) must be equal to "
           "the size of kernel output_defs (%d).",
+          kernel_signature.name,
           output_names.size(),
           output_defs.size()));
 
-  PADDLE_ENFORCE_EQ(attr_names.size(),
+  PADDLE_ENFORCE_EQ(
+      attr_names.size(),
       attr_defs.size(),
       platform::errors::InvalidArgument(
-                        "the size of attribute_args names (%d) must be equal "
+          "Op %s: the size of attribute_args names (%d) must be equal "
           "to the size of kernel attribute_defs (%d).",
+          kernel_signature.name,
           attr_names.size(),
           attr_defs.size()));