Open the folder:

C:\Users\admin\AppData\LocalLow\Games Farm s_r_o_\Vikings_ Wolves of Midgard\saves

Find the recent save, make a backup copy and open via a text editor.

Find the following (or something of the kind) in the first line:

"BloodStor": 123, "steelStor": 123, "goldStor": 123, "ironStor": 123, "jotunjarnStor": 123

Change the numbers and save. Start the game and lose all interest towards it.