TO items could not be created

What causes this issue?

An error occurred when the <GL:inspection_sample>inspection sample</>
was put away into storage.
There are several possible causes for this error:
The <DS:GLOS.storage_unit_type>storage unit type</> is not assigned to
the storage bin.
The maximum weight for the storage bin has been exceeded.
<DS:GLOS.mixed_storage>Mixed storage</> is not allowed.
<DS:GLOS.addition_to_existing_stock>Addition to existing stock</> is
not allowed for this material.

How to fix this error?

Check your system settings:
RESET N1
<DS:SIMG.SIMG_CFMENUOLMLOMM1>Check SUT assignment.</>
<DS:TRAN.LS03>Check allowed weight for storage bin.</>
<DS:SIMG.SIMG_CFMENUOLMLOML4>Check mixed storage for storage type.</>
<DS:TRAN.MM03>Check stock addition field in the material master.</>

Error message extract from SAP system. Copyright SAP SE.