ir_attachment issue

openg2p-erp12-odoo Traceback (most recent call last):                                                                                                      │
│ openg2p-erp12-odoo   File "/opt/bitnami/odoo/lib/odoo-12.0.post20210815-py3.8.egg/odoo/api.py", line 1049, in get                                          │
│ openg2p-erp12-odoo     value = self._data[key][field][record._ids[0]]                                                                                      │
│ openg2p-erp12-odoo KeyError: 673                                                                                                                           │
│ openg2p-erp12-odoo During handling of the above exception, another exception occurred:                                                                     │
│ openg2p-erp12-odoo Traceback (most recent call last):                                                                                                      │
│ openg2p-erp12-odoo   File "/opt/bitnami/odoo/lib/odoo-12.0.post20210815-py3.8.egg/odoo/fields.py", line 1064, in __get__                                   │
│ openg2p-erp12-odoo     value = record.env.cache.get(record, self)                                                                                          │
│ openg2p-erp12-odoo   File "/opt/bitnami/odoo/lib/odoo-12.0.post20210815-py3.8.egg/odoo/api.py", line 1051, in get                                          │
│ openg2p-erp12-odoo     raise CacheMiss(record, field)                                                                                                      │
│ openg2p-erp12-odoo odoo.exceptions.CacheMiss: ('ir.attachment(673,).datas', None)                                                                          │
│ openg2p-erp12-odoo During handling of the above exception, another exception occurred:                                                                     │
│ openg2p-erp12-odoo Traceback (most recent call last):                                                                                                      │
│ openg2p-erp12-odoo   File "/opt/bitnami/odoo/lib/odoo-12.0.post20210815-py3.8.egg/odoo/addons/base/models/ir_attachment.py", line 113, in _file_read       │
│ openg2p-erp12-odoo     r = base64.b64encode(open(full_path,'rb').read())                                                                                   │
│ openg2p-erp12-odoo FileNotFoundError: [Errno 2] No such file or directory: '/opt/bitnami/odoo/data/filestore/openg2p/ba/ba534fd56e5dde52f5a9fe9a8c7451c4cb │
│ 2ba3b3'