std::enable_ shared_ from_ This error: error: expected template name before '<' token

enable_shared_from_this usage ：

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std::enable_shared_from_this - cppreference.com

During refactoring , In order to avoid the impact of the module being modified by others , Shielding some modules , As a result, the following error message appears , as follows ：

../runtime/idm_client_proc_v2.h:70:86: error: expected template-name before ‘<’ token
   70 |   class CallbackWrapper : public idm::IIDMClient, public std::enable_shared_from_this<CallbackWrapper> {

Similar code snippets are as follows ：

  class CallbackWrapper : public Client, public std::enable_shared_from_this<CallbackWrapper> {
   public:
    CallbackWrapper(const std::string& client_id, const std::string& identity, IDMClientProcV2* idm_client_proc);
}

After verification , The discovery is due to the lack of memory Caused by header file , And said this can only be used shared_ptr establish

enable_shared_from_this only works if the type was created as shared_ptr. Use:

Reference resources ：https://www.reddit.com/r/cpp_questions/comments/kwhani/errors_while_using_stdenable_shared_from_this/