An error occurs when importing items using 'mm i import'
Summary Error when using mm i import, unable to import items into MythicMobs.
Steps to reproduce
Hold an item in your hand. Execute the command /mm i import test. Current behavior The item is not saved to MythicMobs.
Intended correct behavior The item should be successfully imported into MythicMobs.
Server log file https://mclo.gs/3oYswEG
Debug log snippet The relevant error can be seen in the log file provided above: 'Cannot invoke "org.bukkit.Material.getMaxStackSize()" because "this.material" is null'.
Proposed fixes Fix the reported error: 'Cannot invoke "org.bukkit.Material.getMaxStackSize()" because "this.material" is null'.