# Return Code

<table><thead><tr><th width="132">Error Code</th><th>External Description</th></tr></thead><tbody><tr><td>0</td><td>Success</td></tr><tr><td>401</td><td>User not login</td></tr><tr><td>402</td><td>App key not exist</td></tr><tr><td>403</td><td>Wallet address not in whitelist during testing period</td></tr><tr><td>40000</td><td>General error</td></tr><tr><td>40001</td><td>Fail to register</td></tr><tr><td>40002</td><td>Fail to get node info</td></tr><tr><td>40003</td><td>Invalid session</td></tr><tr><td>40004</td><td>Fail to register account key</td></tr><tr><td>40005</td><td>Fail to register permission key</td></tr><tr><td>40006</td><td>Fail to assign default data key to self</td></tr><tr><td>40007</td><td>User not exist</td></tr><tr><td>40008</td><td>Fail to create table</td></tr><tr><td>40009</td><td>Data type of encryption column doesn't match data key (possibly caused by altering an encrypted column type or re-creating a table with same column name and different encryption type)</td></tr><tr><td>40010</td><td>Data key not exist</td></tr><tr><td>40011</td><td>Fail to find table</td></tr><tr><td>40012</td><td>Fail to drop table</td></tr><tr><td>40013</td><td>Fail to drop cocoon which contains table</td></tr><tr><td>40014</td><td>Cocoon not exist</td></tr><tr><td>40015</td><td>Fail to delete App key</td></tr><tr><td>40016</td><td>Fail to grant permission</td></tr><tr><td>40017</td><td>Fail to execute SQL</td></tr><tr><td>40019</td><td>Fail to query permission key ID by wallet address</td></tr><tr><td>40020</td><td>Fail to query permission key ID by account ID</td></tr><tr><td>40021</td><td>Fail to list all tables</td></tr><tr><td>40022</td><td>Table not exist</td></tr><tr><td>40024</td><td>Fail to link table to cocoon</td></tr><tr><td>40025</td><td>Create cocoon error</td></tr></tbody></table>