After creation of two records on a mirror table tracker, two warnings appear on top anywhere in Tiki

FIELD1
fieldId = 1
name = Alumne
position = 10
type = u
options = 1
isMain = y
isTblVisible = y
isSearchable = y
isPublic = y
isHidden = n
isMandatory = y
FIELD28
fieldId = 28
name = Equip de DM II
position = 15
type = d
options = ,Brokers,Equip 4,Los Nueve,Persèfone
isMain = n
isTblVisible = n
isSearchable = y
isPublic = y
isHidden = n
isMandatory = y
FIELD2
fieldId = 2
name = 1. COMPETÈNCIES
position = 20
type = h
options =
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = n
FIELD3
fieldId = 3
name = Els arguments dels meus companys m'han fet revisar els meus plantejaments inicials
position = 30
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y
FIELD4
fieldId = 4
name = He sabut escoltar les opinions dels meus companys
position = 40
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y
FIELD5
fieldId = 5
name = Les reunions prèvies amb l´equip han tingut molta influència en la meva presa de posició sobre el tema
position = 60
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y
FIELD6
fieldId = 6
name = Els meus companys m´escolten quan jo parlo
position = 70
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y
FIELD7
fieldId = 7
name = Em sento còmode quan jo parlo
position = 80
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y
FIELD8
fieldId = 8
name = He arribat a conclusions concretes sobre els temes debatuts
position = 90
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y
FIELD9
fieldId = 9
name = Estic satisfet amb el mapa conceptual que he dissenyat
position = 100
type = d
options = ,1,2,3,4,5,6
isMain = n
isTblVisible = n
isSearchable = n
isPublic = y
isHidden = n
isMandatory = y