The error message "incompatible types. found: 'org.apache.pdfbox.pdmodel.pddocument'" indicates that there is a mismatch in types. It seems that you are trying to assign a value of type 'org.apache.pdfbox.pdmodel.pddocument' to a variable that expects a different type. Check the expected type of the variable and make sure that you are assigning a compatible value to it. [2024-02-18 18:01:15 | AI写代码神器 | 372点数解答]