** User: Why am I getting an error message with this (let* ((created-prop (org-entry-get nil "CREATED")) ** Ellama: To diagnose the problem correctly, more context is needed. However, below are a few common reasons for getting error messages with your code snippet in Emacs Lisp, within the context of org-mode: 1. ~org-entry-get~ requires the org-mode buffer to be current (active). The error might occur if your buffer isn't in org-mode, or if you're not at an org headline when this function is called. 2. If "CREATED" is not an existing property for the current org headline, ~org-entry-get~ returns nil. If your code depends on ~created-prop~ being a certain type (like a string) and doesn't handle the nil case, this could be causing an error. 3. The ~let*~ special form allows sequentially binding variables, where later bindings can see the values of previous bindings. If any of your later bindings reference ~created-prop~ and there is an error in your ~created-prop~ definition (as mentioned above), then this could cause an error. 4. If you're not closing parentheses correctly that might be causing the error. A better error message or more context could lead to a more accurate answer. ** User: The error message I am getting is "let' bindings can have only one value-form: org-entry-get, nil, "ID"" ** Ellama: The syntax you want to use for your ~let*~ is incorrect. Each variable-value pair in ~let*~ bindings should be enclosed in its own list. This allows multiple forms for each binding, but you have not included your bindings within their own list resulting in the above error message. Your corrected code should look something like this: #+BEGIN_SRC lisp (let* ((created-prop (org-entry-get nil "CREATED"))) ;; Other code goes here. ) #+END_SRC In this case, ~created-prop~ is assigned the value of ~(org-entry-get nil "CREATED")~. The actual error message you're getting refers to ~"ID"~, so it's possible you may have another line of code where the mistake is. Make sure all your bindings are properly enclosed in lists. ** User: why am I getting the error "let' bindings can have only one value-form: org-entry-get, nil, "ID"" when running a function that has this code (let (property (org-entry-get nil "ID"))) ** Ellama: Your issue arose from a syntax misconception in the ~let~ form. Here is how you should correctly structure your code: #+BEGIN_SRC lisp (let ((property (org-entry-get nil "ID"))) ;; ... code ... ) #+END_SRC When you use the ~let~ form, your variable and its value should be enclosed in parentheses. Doing so demonstrates that the pair forms a single binding. As it was initially written, Lisp thought you were trying to bind three values (~org-entry-get~, ~nil~, and ~"ID"~) to ~let~, which is why the error message was presented.