## Appendix A
\begin{tabular}{c c c c c c c} \hline
**Error No** & **P** & **D** & **S** & **RPN** \\ \hline E21--Entering the value 0 in the critical validity period field & 9 & 3 & 5 & 135 \\ E22--Default values on the settings screen are not displayed correctly & 8 & 3 & 5 & 120 \\ E23--Multiple logins of the same user & 6 & 5 & 7 & 210 \\ E24--Password field masking feature not working & 6 & 5 & 2 & 60 \\ E25--User information not displayed in the user profile area & 8 & 6 & 5 & 240 \\ E26--Registering multiple users with the same email address & 7 & 5 & 7 & 245 \\ E27--Failure to create log records & 6 & 6 & 8 & 288 \\ E28--Inability to use the updated password & 4 & 6 & 8 & 192 \\ E29--Failure to load the application landing page & 5 & 4 & 7 & 140 \\ E30--Entering \"-,\" values in the critical validity period field & 8 & 6 & 5 & 240 \\ E31--The start date of the key entered when creating the user will start tomorrow after registration & 5 & 7 & 245 \\ E32--Interruptions in user image transmission in the application & 5 & 8 & 7 & 280 \\ E33--Document-upload button text cannot be read & 6 & 3 & 3 & 54 \\ E34--Port information constantly changing & 3 & 8 & 9 & 216 \\ E35--The application becomes unusable when the user is authorized & 6 & 8 & 7 & 336 \\ E36--Listing all records in the transaction records area when pressing any field in the list & 4 & 8 & 7 & 224 \\ E37--Showing the messages sent in the user messaging area in the incoming messages area & 5 & 7 & 6 & 210 \\ E38--Failure to receive audio and visual warning messages & 7 & 5 & 5 & 175 \\ E39--Displaying the data entered in the seniority name field as a numerical value & 3 & 8 & 7 & 168 \\ E40--Creating a new key with the exact definition of the deleted critical definition & 4 & 6 & 6 & 144 \\ E41--Failure to create a user & 4 & 8 & 8 & 256 \\ E42--Failure to break user key binding & 3 & 5 & 5 & 75 \\ E43--Wrong display of warning message & 8 & 7 & 6 & 336 \\ E44--Inability to login to the application with the correct password after the account lockout period & 6 & 6 & 8 & 288 \\ E45--The application sends the user to the login screen while operating the application & 8 & 5 & 8 & 320 \\ E46--Tasks assigned to users are not displayed without refreshing the system & 8 & 6 & 6 & 288 \\ E47--Logo usage error & 2 & 3 & 4 & 24 \\ E48--Version information not displayed on the application login screen & 7 & 4 & 5 & 140 \\ \hline \end{tabular}   
**Appendix B**  
**Table A2. ** RPNnew calculated with weighted FMEA. \begin{tabular}{c c c c c c c c} \hline
**Errors** & **P** & **D** & **S\({}_{1}\)** & **S\({}_{2}\)** & **S\({}_{3}\)** & **S\({}_{4}\)** & **S\({}_{5}\)** & **RPNnew** \\ \hline
**Weight** & **1** & **1** & **0.26 (_wS\({}_{1}\)_)** & **0.19 (_wS\({}_{2}\)_)** & **0.16 (_wS\({}_{3}\)_)** & **0.18 (_wS\({}_{4}\)_)** & **0.21 (_wS\({}_{5}\)_)** & \\ \hline E1 & 5 & 9 & 9 & 7 & 9 & 8 & 8 & 487.8814 \\ E2 & 7 & 6 & 7 & 7 & 7 & 6 & 6 & 154.9475 \\ E3 & 3 & 9 & 5 & 7 & 5 & 8 & 7 & 79.05486 \\ E4 & 5 & 8 & 8 & 7 & 6 & 6 & 7 & 168.6504 \\ E5 & 8 & 6 & 8 & 6 & 5 & 7 & 7 & 168.6504 \\ E6 & 3 & 5 & 3 & 5 & 2 & 6 & 6 & 4.840093 \\ E7 & 7 & 7 & 5 & 6 & 4 & 6 & 7 & 73.78454 \\ E8 & 7 & 7 & 8 & 7 & 8 & 6 & 7 & 275.4623 \\ E9 & 5 & 9 & 9 & 7 & 8 & 7 & 8 & 379.4633 \\ E10 & 8 & 6 & 7 & 8 & 5 & 8 & 8 & 256.991 \\ E11 & 3 & 4 & 5 & 7 & 4 & 6 & 7 & 21.0813 \\ E12 & 7 & 6 & 6 & 7 & 5 & 6 & 7 & 110.6768 \\ E13 & 9 & 4 & 2 & 5 & 2 & 5 & 5 & 5.377882 \\ E14 & 7 & 8 & 6 & 6 & 4 & 5 & 6 & 72.27873 \\ E15 & 7 & 8 & 6 & 7 & 5 & 6 & 7 & 147.5691 \\ \hline \end{tabular}   
**Appendix C**  
**Table A3. **_Cont._