Invalid field 'lst_price' on model 'product.template'

[mariogustavoorrillo]

While importing products and orders in meli_oerp 15CE, I get the following error message

Traceback (most recent call last):
File "/opt/odoo15/sources/meli_oerp/models/product.py", line 1451, in product_meli_get_product
product._meli_set_product_price( product_template, rjson['price'], force_variant=force_price_for_variant, config=config )
File "/opt/odoo15/sources/meli_oerp/models/product.py", line 592, in _meli_set_product_price
product_template.write({'lst_price': ml_price_converted})
File "/opt/odoo15/odoo/addons/stock_account/models/product.py", line 51, in write
res = super(ProductTemplate, self).write(vals)
File "/opt/odoo15/odoo/addons/mrp/models/product.py", line 64, in write
return super().write(values)
File "/opt/odoo15/odoo/addons/stock/models/product.py", line 874, in write
return super(ProductTemplate, self).write(vals)
File "/opt/odoo15/odoo/addons/product/models/product_template.py", line 503, in write
res = super(ProductTemplate, self).write(vals)
File "/opt/odoo15/odoo/addons/mail/models/mail_thread.py", line 323, in write
result = super(MailThread, self).write(values)
File "/opt/odoo15/odoo/addons/mail/models/mail_activity_mixin.py", line 243, in write
return super(MailActivityMixin, self).write(vals)
File "/opt/odoo15/odoo/addons/website/models/mixins.py", line 224, in write
return super(WebsitePublishedMixin, self).write(values)
File "/opt/odoo15/odoo/addons/rating/models/rating_mixin.py", line 84, in write
result = super(RatingMixin, self).write(values)
File "/opt/odoo15/odoo/odoo/models.py", line 3789, in write
raise ValueError("Invalid field %r on model %r" % (fname, self._name))
ValueError: Invalid field 'lst_price' on model 'product.template'