Message type: E = Error
Message class:  OIJ_LDSCHED - TSW: Load/Discharge Scheduling Message Class 
Message number: 105
Message text: Select a single line from list for ticket creation
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message OIJ_LDSCHED105 ("Select a single line from list for ticket creation") typically occurs in the context of the SAP Oil and Gas (OIJ) module, particularly when users are trying to create a ticket from a list of items or transactions. This error indicates that the system expects the user to select only one line item from the list to proceed with the ticket creation process.
Cause:
Multiple Selections: The most common cause of this error is that the user has selected multiple lines from the list instead of a single line. The system requires a single selection to create a ticket.
User Interface Issue: Sometimes, the user interface may not clearly indicate that only one selection is allowed, leading to confusion.
Data Integrity: There may be issues with the data being displayed, such as duplicates or inconsistencies, which could lead to the user inadvertently selecting multiple items.
Solution:
Select a Single Line: Ensure Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
OIJ_LDSCHED104 No line was selected from list for ticket creation
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
OIJ_LDSCHED103 One line must be selected from list for attribute comparison
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
OIJ_LDSCHED106 Physical Measurement Ticket ( & ) already exists for line &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
OIJ_LDSCHED107 No berth assigment is done at the selected line
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.