Runtime Error ‘94’ Invalid use of Null

Runtime Error 94 "Invalid use of Null" typically occurs in Visual Basic when the code tries to perform an operation on a variable or field that contains a Null value. Null represents the absence of a value and is not the same as an empty string or zero. To resolve this error, you should handle Null values properly in your code. Here are some steps you can take:
If error message show Runtime Error ‘94’ Invalid use of Null follow the below steps:

Step 1:Validate Data Input: Ensure that data entered by the user or retrieved from a database is properly validated to avoid
 situations where Null values are introduced unintentionally in the database.
Step 2: Perform a thorough inspection of the data by accessing the 'Check Junk Character' feature within BUSY Software, accessible
 through Open Company → Housekeeping → Check Junk Character. Remove all detected junk characters to ensure a smooth
 execution of the desired actions and to preemptively address any potential issues that may arise.
Step 3: If the issue persists, you can attempt to resolve it by running the 'Rewrite Book' option in BUSY. After logging in to the
 company, navigate to 'Housekeeping' and select 'Rewrite Book.' This action may help solve the problem.
Step 4 : If the issue remains unresolved even after reindexing the data, it is now necessary to proceed with sending the data of 
 backup to r & d on support@busy.in.