# Log Library Error Codes> **NOTE**>> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](errorcode-universal.md).## 21300001 Specified File Not Exist**Error Message**The specified file does not exist.**Description**When the **copy**, **move**, or **delete** API is called to perform file operations, the file with the specified name does not exist in the specified type of logs.**Possible Cause**1. The input file name is incorrect.2. The file with the input file name does not exist.**Procedure**Check whether the input file name is correct.