W tensorflow/core/framework/op_kernel.cc:1767] op_requires failed at ctc_loss_op.cc:213 : invalid argument: labels length is zero in batch 3

w tensorflow/core/framework/op_kernel.cc:1767] op_requires failed at ctc_loss_op.cc:213 : invalid argument: labels length is zero in batch 3

Anyboy help me to resolve above issue.

Can you share your code?