Optimize the error report information when loadcombine fail to open model files test=develop (#18888)
Optimize the error report information when loadcombine fail to open model files test=develop (#18888)


tensor-tang/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,luotao1/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,luotao1/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,chengduoZH/Paddle,luotao1/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,chengduoZH/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle