Ansys 2020 Solver Error

I am trying to solve this 2D static structural problem from 2 weeks. The meshing is good and inputs are also sufficient for the geometry to get solved. But I don't know why, this error i constantly appearing "An unknown error occurred during solution.  Check the Solver Output on the Solution Information object for possible causes"

I also tried to turn off distribute solution from the solver process settings but to my regret, the error still persists. I also have a lot of disc space free and I also tried to reinstall the software 2 times. 

I am attaching the screenshot of the error message and solution information. 

I am currently running out of time as my technical round for an interview will be happening within these 2 weeks so please help me to solve this error.

Thank You!!

Please see the error message at bottom.

Here is the solution information:


Failover feature 'ANSYS Mechanical Enterprise' specified in license preferences is not available.
Request name ansys does not exist in the licensing pool.
No such feature exists.
Feature: ansys
License path: C:\Program Files\ANSYS Inc\ANSYS Student\Shared Files\Licensing\student.lic;
FlexNet Licensing error:-5,357
*** ERROR - ANSYS license not available.

+--------- D I S T R I B U T E D A N S Y S S T A T I S T I C S ------------+

Release: 2020 R1 Build: 20.1 Update: UP20191203 Platform: WINDOWS x64
Date Run: 07/11/2020 Time: 15:40 Process ID: 7528
Operating System: Windows 10 (Build: 18362)

Processor Model: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz

Compiler: Intel(R) FORTRAN Compiler Version 19.0.0 (Build: 20190206)
Intel(R) C/C++ Compiler Version 19.0.0 (Build: 20190206)
Intel(R) Math Kernel Library Version 2019.0.3 Product Build 20190125

Number of machines requested : 1
Total number of cores available : 4
Number of physical cores available : 2
Number of processes requested : 2
Number of threads per process requested : 1
Total number of cores requested : 2 (Distributed Memory Parallel)
MPI Version: Intel(R) MPI Library 2018 Update 3 for Windows* OS

GPU Acceleration: Not Requested

Job Name: file0

Core Machine Name Working Directory
0 DESKTOP-RPRQN5M C:\Users\riddhish kathar\Desktop\_ProjectScratch\Scr2466
1 DESKTOP-RPRQN5M C:\Users\riddhish kathar\Desktop\_ProjectScratch\Scr2466

Total CPU time for main thread : 0.4 seconds
Total CPU time summed for all threads : 0.1 seconds

Elapsed time spent obtaining a license : 0.0 seconds
Elapsed time spent pre-processing model (/PREP7) : 0.0 seconds
Elapsed time spent solution - preprocessing : 0.0 seconds
Elapsed time spent computing solution : 0.0 seconds
Elapsed time spent solution - postprocessing : 0.0 seconds
Elapsed time spent post-processing model (/POST1) : 0.0 seconds

Maximum total memory used : 4.0 MB
Maximum total memory allocated : 0.0 MB
Total physical memory available : 8 GB

Total amount of I/O written to disk : 0.0 GB
Total amount of I/O read from disk : 0.0 GB

+------ E N D D I S T R I B U T E D A N S Y S S T A T I S T I C S -------+

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| Ansys 2020 R1 Build 20.1 UP20191203 WINDOWS x64 |
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| Database Requested(-db) 0 MB Scratch Memory Requested 0 MB |
| Maximum Database Used 1 MB Maximum Scratch Memory Used 1 MB |
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| CP Time (sec) = 0.078 Time = 15:40:27 |
| Elapsed Time (sec) = 1.000 Date = 07/11/2020 |
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