---
title: E12004 Invalid_Argument_Operator_Input_Index
description: "Failed to register the prototype of Op %s. If input index is less than 0, then input index –%s (absolute value) must be less than the input count %s"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/maintenref/troubleshooting/atlaserrorcode_15_0086.html
sourcePath: /source/zh/canncommercial/900/maintenref/troubleshooting/atlaserrorcode_15_0086.html
indexId: a836105ae7759273cf978d964d4ad98b87f829088d8a7052dc5185f524f7830c84
---
# E12004 Invalid_Argument_Operator_Input_Index

#### Symptom

Failed to register the prototype of Op %s. If input index is less than 0, then input index –%s (absolute value) must be less than the input count %s


#### Solution

When the Const input is converted to an attribute, check whether the input index is correctly set.