here is video reference  you should try this 

When I try to restore database backup to another server (digital ocean to test server on aws), showing an error like this, I tried to change odoo base to same as of the live server.

Traceback (most recent call last): File "/odoo14/odoo14-server/odoo/api.py", line 792, in get field_cache = field_cache[record.env.cache_key(field)] KeyError: (None,)

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/odoo14/odoo14-server/odoo/fields.py", line 972, in get value = env.cache.get(record,\ self) \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 796,\ in\ get \ \ \ \ raise\ CacheMiss(record,\ field) odoo.exceptions.CacheMiss:\ 'res.users(20,).image_128'

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ (most\ recent\ call\ last): \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 792,\ in\ get \ \ \ \ field_cache\ =\ field_cache[record.env.cache_key(field)] KeyError:\ (None,)

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ (most\ recent\ call\ last): \ \ File\ "/odoo14/odoo14-server/odoo/fields.py",\ line\ 972,\ in\ get \ \ \ \ value\ =\ env.cache.get(record,\ self) \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 796,\ in\ get \ \ \ \ raise\ CacheMiss(record,\ field) odoo.exceptions.CacheMiss:\ 'res.partner(12809,).image_128'

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ (most\ recent\ call\ last): \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 792,\ in\ get \ \ \ \ field_cache\ =\ field_cache[record.env.cache_key(field)] KeyError:\ (None,\ None)

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ (most\ recent\ call\ last): \ \ File\ "/odoo14/odoo14-server/odoo/fields.py",\ line\ 972,\ in\ get \ \ \ \ value\ =\ env.cache.get(record,\ self) \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 796,\ in\ get \ \ \ \ raise\ CacheMiss(record,\ field) odoo.exceptions.CacheMiss:\ 'ir.attachment(321,).datas'

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ (most\ recent\ call\ last): \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 792,\ in\ get \ \ \ \ field_cache\ =\ field_cache[record.env.cache_key(field)] KeyError:\ (None,)

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ (most\ recent\ call\ last): \ \ File\ "/odoo14/odoo14-server/odoo/fields.py",\ line\ 972,\ in\ get \ \ \ \ value\ =\ env.cache.get(record,\ self) \ \ File\ "/odoo14/odoo14-server/odoo/api.py",\ line\ 796,\ in\ get \ \ \ \ raise\ CacheMiss(record,\ field) odoo.exceptions.CacheMiss: 'ir.attachment(321,).raw'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/odoo14/odoo14-server/odoo/addons/base/models/ir_attachment.py", line 105, in _file_read with open(full_path, 'rb') as f: FileNotFoundError: [Errno 2] No such file or directory: '/odoo14/.local/share/Odoo/filestore/APL_2.0/c5/c54d3d5e2b1320083bf5378b7c195b0985fa04c1'

restore your database from command line on your server.

things work on local doesn't always work outside.

check this one too.

https://www.odoo.com/forum/help-1/question/database-restore-error-too-much-data-for-base64-line-120460