[obsolète] Installation de Crème CRM 1.7 sous Linux

[igualada]

J'ai completé avec succès une installation neuve de creme_crm-1.7 (une base de données neuve).

Je viens de me lancer sur la mise à niveau de ma version 1.6 avec un nouvel environnement virtuel et un nouveau téléchargement de la version 1.7.

En faisant la commande "python manage.py migrate --fake-initial" j'ai eu l'erreur suivante à partir de "persons.0013_v1_7__image_to_doc_1".

Applying persons.0013_v1_7__image_to_doc_1... OK
Applying persons.0014_v1_7__image_to_doc_2...Traceback (most recent call last):
File "manage.py", line 10, in
execute_from_command_line(sys.argv)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 346, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/core/management/base.py", line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/core/management/base.py", line 445, in execute
output = self.handle(*args, **options)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 222, in handle
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 110, in migrate
self.apply_migration(states[migration], migration, fake=fake, fake_initial=fake_initial)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 148, in apply_migration
state = migration.apply(state, schema_editor)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/db/migrations/migration.py", line 112, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "~/Envs/creme_crm-1.7/local/lib/python2.7/site-packages/django/db/migrations/operations/special.py", line 183, in database_forwards
self.code(from_state.apps, schema_editor)
File "~/creme_crm-1.7/creme/persons/migrations/0014_v1_7__image_to_doc_2.py", line 132, in fix_relation_blocks
cells_map = json_load(rbi.json_cells_map)
File "/usr/lib/python2.7/json/__init__.py", line 338, in loads
return _default_decoder.decode(s)
File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
TypeError: expected string or buffer

Est-ce que vous pouvez m'aider pour trouver l'origine de cette erreur?